Long Wedding Guest Dresses
Elevate your wedding guest style with these gorgeous long dresses. Whether you prefer a flattering A-line, dramatic mermaid, or sleek sheath silhouette, these styles feature luxe fabrics like satin, rhinestones, velvet, and glitter knit. Perfect for semi-formal, formal, or black-tie weddings, with stunning details like side slits, low backs, and strappy or strapless necklines. Find your picture-perfect long dress or gown for your upcoming wedding celebration.
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Long Wedding Guest Dresses That Make Every Moment Memorable
Celebrate in style with Windsor’s collection of long wedding guest dresses, designed to elevate your presence at every type of ceremony. Whether you’re attending a vineyard reception, a chic city soirée, or a luxe black-tie celebration, these sweeping silhouettes bring instant sophistication and show-stopping energy.
Elegant Silhouettes & Luxe Fabrics
Explore curve-loving mermaid gowns, sleek column dresses, and airy chiffon maxis that float with every step. From soft florals to bold jewel tones and timeless neutrals, this edit features standout fabrics—think satin, glitter mesh, crepe, and lace—that look stunning in photos and feel just as good as they look.
Modern Details & Romantic Touches
Looking for a style that balances elegance and edge? Try corset bodices, high slits, lace-up backs, or open-shoulder necklines. Prefer something softer? Discover long guest dresses with flutter sleeves, tiered skirts, and embroidered accents that bring a romantic, elevated vibe.
Perfect for Every Celebration
No matter the setting—black tie, garden, coastal, or semi-formal—Windsor’s long wedding guest dresses are crafted to fit the occasion. Designed for movement, comfort, and unforgettable style, these gowns ensure you arrive polished and poised.
Shop Windsor’s collection of long wedding guest dresses online, in-app, or at 350+ Windsor stores and find the perfect look for your next celebration.
What are the best silhouettes for a long wedding guest dress?
Popular silhouettes include mermaid, column, trumpet, and asymmetrical designs, each offering a unique look. Mermaid and trumpet styles create a form-fitting, dramatic effect, while column and asymmetrical dresses provide a sleek, modern feel. Explore a variety of options in Windsor's full collection of wedding guest dresses to find the perfect fit for your next event.
What fabrics work best for long wedding guest dresses?
The best fabric depends on the season and wedding setting. Satin and velvet bring a luxe touch to evening or outdoor weddings, while chiffon and crepe offer lightweight elegance for spring and summer celebrations. Mesh and lace add texture, and glitter fabrics create a statement look for formal occasions.
Can I wear a long dress to a casual or outdoor wedding?
Yes! A long dress can be perfect for outdoor or semi-casual weddings when styled appropriately. Opt for flowy fabrics like chiffon or lightweight satin, and choose relaxed silhouettes like maxi, A-line, or column styles. Pair with strappy sandals or wedges for a more effortless look.
Create your head-to-toe wedding guest look by shopping Windsor online, in-app, or at over 350 retail stores across the U.S. and Canada. Whether celebrating in a candlelit ballroom or under the stars, these long wedding guest dresses ensure you arrive in style.
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Diana Formal Crepe Corset Slit Long Dress
Special Occasion
Make a stunning arrival in the Diana formal crepe long dress perfect for black tie parties and weddings! She features a flattering square neckline, wide shoulder straps, and a flexible boning corset bodice that perfectly snatches your figure along the slim silhouette, while her high-side slit and long-length hem provide a luxurious evening look. The formal dress is crafted from a sleek crepe fabric with a sewn-in knit lining. Complete the look with a clutch and heels!
Fit & Features
- Sleeveless square neckline, wide shoulder straps
- Flexible boning corset bodice
- Back zipper and hook-eye closure
- Slim silhouette, high side slit, long-length hem
- Crepe fabric, sewn-in knit lining, moderate stretch
- Bra friendly design
- Runs true to size
Style Number/Barcode: 05002-7897
Category Name: Long Wedding Guest Dresses
Price: $24.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Lyanna Formal Velvet Mermaid Dress
Special OccasionGrace them with class as you capture their heart in our Lyanna dress! She features a chic black hue, a sleeveless bodice, a V neckline, princess seams and adjustable narrow straps. Her slim fit bodice features a narrow waist band accent and leads to a flaring mermaid silhouette to grace your every step. Dress is composed of a lined velvet fabric that offers a form hugging fit with a moderate stretch. Includes a back zipper closure.
Model is 5'9.5" with a 34" bust, 23.5" waist and 35.5" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6365
Category Name: Long Wedding Guest Dresses
Price: $25.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Mandy Mesh Off-The-Shoulder Formal Dress
Special Occasion
Designed for moments that call for elegance with impact, the Mandy mesh column gown moves with quiet drama from every angle. The ruffled off-the-shoulder sweetheart neckline and sculpting ruching create a polished silhouette made to turn heads without trying too hard.
Fit & Features
- Lightweight mesh-lined stretchy fabric
- Ruffled trim, off-the-shoulder sweetheart neckline
- Back zipper and hook-eye closure
- Side ruched seams to contour the body
- High side ruffled slit design
- Form-hugging, column-length silhouette
- Runs true to size
Where to Wear:
Weddings, black tie galas, upscale cocktail receptions, milestone birthdays, formal dinners, elegant rooftop restaurants, glamorous events and occasions
Style Number/Barcode: 05002-000542
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: BLACK
Available Size: S
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Winnie Satin Formal Dress
Special Occasion
Simple, striking, and made to turn heads. the Winnie formal dress captures classic romance in sleek woven satin, featuring a sweetheart neckline and delicate spaghetti straps. The mermaid silhouette and chiffon-lined finish create that fluid, effortless movement that defines understated elegance.
Fit & Features
- Premium satin fabric, chiffon lining
- Sweetheart neckline
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Curve-hugging silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Formal weddings, black-tie galas, evening celebrations, rehearsal dinners, engagement parties, anniversaries, elegant dinner soirees, fancy date nights
Style Number/Barcode: 05002-000478
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: WINE
Available Size: L
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Mia Halter Slit Mermaid Mesh Formal Dress
Special Occasion
The Mia mesh formal dress is a chic showstopper with alluring details that turn heads. Its plunge halter neckline, high front slit, and mermaid silhouette flaunts your figure in the most captivating fashion!
Fit & Features
- Mesh fabric, short sewn-in lining, moderate stretch
- Plunge halter neckline, metal insert, cutout accent
- Tie straps, padded bra cups
- Back zipper and hook-eye closure
- High front slit
- Mermaid silhouette, sheer floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie soirees, engagement parties, anniversaries, fancy events
Style Number/Barcode: 05002-000097
Category Name: Long Wedding Guest Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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Jaleen Formal Sequin One Shoulder Dress
Special Occasion
The Jaleen formal dress is the essence of glimmering beauty! She features a sleeveless one-shoulder neckline with dual adjustable spaghetti straps for a customizable fit and a low-cut back. Her form-hugging slim silhouette offers a sultry show of leg thanks to her high-cut side slit along the long hem. The formal dress is composed of a sequin-scroll mesh-lined fabric with minimal stretch. Complete your dressy look with statement earrings for a banquet or wedding!
Fit & Features
- Sleeveless, one-shoulder neckline
- Dual adjustable spaghetti straps
- Strapless or adhesive bra recommended
- Back zipper and hook-eye closure
- Form-hugging, slim silhouette
- High-cut side slit, long length
- Sequin-scroll, mesh-lined fabric, minimal stretch, fits true to size
Style Number/Barcode: 05002-2577
Category Name: Long Wedding Guest Dresses
Price: $14.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Piper Ruched Open Back Gown
Special OccasionDazzle from every angle in our sleek, effortlessly chic pink jersey Piper gown! She features a rounded neckline with back tie at nape of neck, an open back, long sleeves, a long slim skirt, and ruching detail at sleeve hems, rear, and hips. Piper is partially lined, slips on, and she's made from a jersey material with a touch of stretch.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6779
Category Name: Long Wedding Guest Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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Juliette Velvet Corset Rhinestone Formal Dress
Special Occasion
Sophistication meets sparkle in the Juliette formal dress. Designed in plush velvet that contours every curve, this strapless gown features a rhinestone-trimmed sweetheart neckline and corset bodice for sculpted allure. Finished with elegant pleating and a thigh-high slit, it’s made for the kind of night that calls for full-glam confidence.
Fit & Features
- Soft velvet fabric lined with stretch knit
- Strapless sweetheart neckline, rhinestone-embellished gems
- Padded bra cups
- Corset structured bodice, flexible boning, back zipper and hook-eye closure
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Formal galas, red-carpet events, holiday parties, glamorous winter formals, black-tie weddings, engagement dinners, birthday celebrations, fashion-forward soirees, romantic date nights, elegant receptions
Style Number/Barcode: 05002-000453
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: Out of Stock
Product Badge:- Ships Free
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Elaine Formal Glitter Strapless Mermaid Dress
Special Occasion
An elegant party calls for a top-tier style like the Elaine formal glitter long dress because you deserve to shine! She features a sexy strapless sweetheart neckline with non-slip grip lining, a wired insert, and a padded bust with flexible boning for structure and support. Her flattering side ruched seams accentuate your figure along the mermaid silhouette that flares gracefully into a floor-length hem adding a touch of luxury to your formal look. The dress is crafted from a glitter knit fabric that shimmers with each step and has short stretchy knit lining. Complete the look with statement earrings for a black-tie party or formal dance!
Fit & Features
- Strapless sweetheart neckline, non-slip grip lining
- Wired insert, padded bust, flexible boning
- Back zipper and hook-eye closure
- Side ruched seams, mermaid silhouette
- Floor-length hem
- Glitter knit fabric, short stretchy knit lining
- Runs true to size
Style Number/Barcode: 05002-7528
Category Name: Long Wedding Guest Dresses
Price: $19.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Lacey Formal Crepe Halter Dress
Special Occasion
The Lacey formal dress embodies elegance and sultriness for your black-tie events! She features a sleeveless halter neckline with back button closures and a keyhole, a form-hugging silhouette with a high-cut front slit along the floor-length hem. The formal dress is composed of a lined crepe knit fabric with moderate stretch. Style with glam hoop earrings and heels to complete the look!
Fit & Features
- Sleeveless halter neckline
- Back button neck closures and keyhole
- Form-hugging silhouette
- High-cut front slit
- Floor-length hem
- Lined crepe knit fabric, moderate stretch
- Fits true to size
Style Number/Barcode: 05002-6972
Category Name: Long Wedding Guest Dresses
Price: $19.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Cordelia Formal Damask Sequin Dress
Special Occasion
Bring the sparkle in a formal dress that is the highlight of your event! Cordelia features a dazzling damask sequin pattern, a sleeveless sweetheart neckline with a no-slip strip, padded cups, and flexible boning. Her slim-fit bodice leads to a flattering mermaid silhouette and is accented with a sexy lace-up back to provide a customized fit. The dress is composed of a lined mesh fabric that offers a form hugging fit with minimal stretch. Complete look with rhinestone heels.
Fit & Features
- Sleeveless sweetheart neckline
- Padded cups
- No-slip strip, flexible boning
- High waist, lace-up back
- Damask sequin, mermaid silhouette
- Lined mesh fabric
- Relaxed fit, minimal stretch, runs true to size
Style Number/Barcode: 05002-2215
Category Name: Long Wedding Guest Dresses
Price: $19.97 $139.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Sabrina Lace Mermaid Formal Dress
Special Occasion
Soft, sculpted, and made for golden hour moments—the Sabrina brings a romantic energy with its textured lace mermaid silhouette and delicate ruched bodice. The strappy open back with tie detail adds just enough intrigue, giving you that “don’t forget to turn around” moment.
Fit & Features
- Lace-lined fabric
- Scoop neckline
- Spaghetti straps
- Open tie-back design
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, spring galas, engagement parties, rehearsal dinners, birthday celebrations, formal soirees
Style Number/Barcode: 05002-001294
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: YELLOW, LIGHT, BLUE
Available Size: XS, S, M, L
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Amari Strapless Applique Mermaid Satin Formal Dress
Special Occasion
The gorgeous Amari satin formal dress offers an alluring and feminine look with an applique design and mermaid silhouette that highlights your curves!
Fit & Features
- Stretch satin fabric, bust knit lining
- Strapless sweetheart wired neckline, padded bra cups
- Back zipper and hook-eye closure
- Applique design
- Mermaid silhouette
- Floor-length hem with train
- Runs true to size
Where to Wear:
Prom, black-tie galas and parties, weddings, fancy dinner parties, nights at the theatre
Style Number/Barcode: 05002-9700
Category Name: Long Wedding Guest Dresses
Price: $19.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Candice Formal Sequin Tie Dress
Special Occasion
Designed to sparkle, fall for the glowing Candice formal sequin dress for prom and beyond! She stuns in a sleeveless, square neck, adjustable spaghetti straps, and an open-back design with a chiffon tie-back closure. Her high waist seam leads to a form-fitting silhouette that gently kisses the floor with each step. The formal dress is composed of a sequin-scroll mesh fabric with lining and minimal stretch. Complete your dressy look in stiletto heels.
Fit & Features
- Sleeveless, square neck, adjustable spaghetti straps
- Lightly padded bust, bra optional
- Open-back, chiffon tie-back closure and hidden zipper
- High waist seam, form-fitting silhouette
- Floor-length hem
- Sequin-scroll mesh fabric, lined, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-2388
Category Name: Long Wedding Guest Dresses
Price: $19.97 $126.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Lizzy Velvet Corset Mermaid Formal Dress
Special Occasion
Sophisticated and modern, the Lizzy formal dress is a chic choice for any event. She features long sleeves, a mock neck on a fitted corset-mesh bodice with flexible boning. Her high-cut slit shows some skin and shapes the elegant mermaid, floor-length silhouette. The dress is composed of a luxe velvet-lined fabric with a moderate stretch. Complete your look in stiletto heels.
Fit & Features
- Long sleeves, mock neck
- Corset-mesh bodice, flexible boning
- High-cut slit, mermaid silhouette
- Luxe velvet-lined fabric, moderate stretch
- Zipper closure
- Runs true to size
Style Number/Barcode: 05002-1733
Category Name: Long Wedding Guest Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Constance Satin A-Line Formal Dress
Special Occasion
Designed for elegant entrances and unforgettable evenings, the Constance dress moves with quiet confidence and timeless allure. Crafted in satin with a strapless neckline and fluid A-line silhouette, it delivers graceful drama through soft pleating and a sweeping floor-length hem.
Fit & Features
- Premium satin fabric, crepe bonded hem lining
- Strapless neckline, padded bra cups, non-slip grip lining
- Back zipper and hook-eye closure
- Form-hugging bodice, asymmetric low waist seam
- A-line pleated silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, black tie weddings, galas, balls, formal celebrations, nights at the opera, award dinners, fancy date nights, anniversary parties, fashion-forward events
Style Number/Barcode: 05002-001462
Category Name: Long Wedding Guest Dresses
Price: $19.97 $119.90
On Sale: Yes
Availability: In Stock
Available Color: BLACK
Available Size: XS, S
Product Badge:- Sale
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Elara Off Shoulder Slit Mermaid Formal Dress
Special Occasion
Designed for evenings that call for quiet drama, the Elara gown moves with a sculpted elegance that feels both modern and timeless. The off-the-shoulder neckline and mesh long sleeves frame the silhouette beautifully, while the fitted mermaid shape brings a polished, unforgettable finish.
Fit & Features
- Stretch mesh fabric with smooth lining
- Off-the-shoulder neckline with sheer long sleeves, padded bra cups
- Structured corset-style seaming through the bodice
- Back zipper and hook-eye closure
- Wrap-style high front slit
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, black tie events, holiday parties, winter formals, upscale ballroom receptions, charity dinners, anniversaries, big birthday events, fancy cocktail parties
Style Number/Barcode: 05002-000564
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S
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Sereia Halter Floral Mermaid Formal Dress
Special Occasion
Pretty florals and an elegant silhouette make the Sereia mermaid formal dress a gorgeous style this season! Pair with kitten stiletto heels for a chic look.
Fit & Features
- Floral print, mesh-lined fabric
- Halter V-neckline, tie closure, partially open back
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, garden parties, glamorous events, fancy date nights, graduations, milestone celebration events
Style Number/Barcode: 05002-9441
Category Name: Long Wedding Guest Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Jenna Lace-Up Ruched Mermaid Glitter Formal Dress
Special Occasion
Showcase glamour in the Jenna glitter formal dress to make every room shimmer! Designed with a lace-up back that turns heads and a ruched mermaid silhouette that accentuates your natural curves.
Fit & Features
- Glitter mesh fabric lined with stretchy knit
- Sweetheart neckline, padded bra cups
- Wide shoulder straps
- Lace-up back, zipper and hook-eye closure
- Ruched mermaid silhouette, floor-length hem
- Extra glitter for maximum sparkle - may have some natural fallout
- Runs true to size
Where to Wear:
Prom, red-carpet functions, big birthday events, glamorous parties
Style Number/Barcode: 05002-8980
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Kleo Formal Sequin Rose Lace-Up Mermaid Dress
Special Occasion
The ultra-glam Kleo formal sequin dress is ready to hit the dance floor at homecoming, weddings, or formal parties! She shines in a sleeveless V-neckline, a lightly padded bust, spaghetti straps that create the lace-up back, and a curve-hugging mermaid silhouette that gracefully flows into a floor-length hem. The formal dress is designed with a unique rose sequin pattern for a fresh style on mesh fabric with a stretchy knit lining. Complete the look with earrings and a clutch!
Fit & Features
- Sleeveless V-neckline, padded bust
- Spaghetti straps, lace-up back
- Back zipper and hook-eye closure
- Mermaid silhouette, floor-length hem
- Sequin rose pattern, mesh fabric, stretchy knit lining
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-7760
Category Name: Long Wedding Guest Dresses
Price: $9.97 $94.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Shanaya Formal Glitter One-Shoulder Long Dress
Special Occasion
Elevate your formal look with the Shanaya formal glitter long dress to stand out at black tie parties or school dances! She features a one-shoulder neckline, a spaghetti strap, and a slim silhouette that hugs your figure in all the right places. The side ruched seam adds a touch of sophistication, while the asymmetrical wrap high front slit and floor-length hem provide a dramatic flair. Made from glitter crepe fabric with plenty of stretch. Complete the look with statement earrings.
Fit & Features
- Sleeveless one-shoulder neckline, spaghetti strap
- Side ruched seam, slim silhouette
- Asymmetrical high front wrap slit
- Floor-length hem
- Glitter crepe fabric, moderate stretch
- Strapless bra recommended
- Runs true to size
Style Number/Barcode: 05002-7613
Category Name: Long Wedding Guest Dresses
Price: $14.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Sophina Cold Shoulder Pearl Beaded Sequin Formal Dress
Special Occasion
The most glamorous event calls for the Sophina formal dress decorated with faux pearls, beading, and sequin embellishments along the figure-flaunting mermaid silhouette.
Fit & Features
- Faux pearls, beading, sequin embellishments
- Mesh lined fabric with stretchy knit
- Cold shoulder neckline, adjustable spaghetti straps
- Back zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, black tie galas, red-carpet events, black tie weddings, fancy soirees
Style Number/Barcode: 05002-9592
Category Name: Long Wedding Guest Dresses
Price: $89.97 $189.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Avalynn Formal Long Sleeve Mermaid Dress
Special Occasion
Entrance them all with your elegant style in the Avalynn formal mermaid dress, perfect for weddings, galas, or dressy parties! She features a deep V-neckline with ruching at the bust, shoulder pads to provide structure, long balloon-style sleeves with tapered hems, a flattering high waist seam, and a floor-sweeping hem with a form-hugging mermaid silhouette. The smooth knit fabric offers a moderate stretch. Complete the look with rhinestone statement earrings.
Fit & Features
- Deep V-neckline, ruching at the bust
- Shoulder pads, long balloon sleeves, tapered hems
- Back zipper closure, high waist seam
- Floor-length hem, fitted mermaid silhouette
- Knit fabric, lining at the bust, moderate stretch
- Bra-friendly design
- Runs true to size
Style Number/Barcode: 05002-7098
Category Name: Long Wedding Guest Dresses
Price: $19.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Leona Wrap-Front Satin Formal Dress
Special Occasion
Silky and chic, the Leona satin formal dress will make you the best-dressed guest at your next wedding. She features a classic collared V-neckline with a wrap-front design, long sleeves with button details, an adorable tie waist design with ruched detailing, and a floor-length wrap-front skirt with a high front slit and a flowy silhouette. The smooth satin fabric offers a lightweight feel. Complete the look with rhinestone statement earrings.
Fit & Features
- Collared V-neckline, wrap-front
- Bra-friendly
- Long sleeves, dual button details
- Tie waist design, ruching
- Floor-length wrap-front skirt, high slit, flowy fit
- Satin fabric, no stretch
- Runs true to size
Style Number/Barcode: 05002-2592
Category Name: Long Wedding Guest Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale