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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Marisol Formal Rhinestone Lace-Up Mermaid Dress
Special Occasion
This Marisol Formal Rhinestone Lace-Up Long Mermaid Dress is perfect for any fancy occasion where it calls to exude elegance! The sleeveless mermaid silhouette flatters the figure beautifully with a cowl neckline and rhinestone-embellished straps that lace up along her back and is finished with a floor-length hem. The formal dress is composed of a smooth knit fabric that hugs your curves and offers moderate stretch. Complete the look with statement earrings and a chic clutch.
Fit & Features
- Sleeveless cowl neckline
- Rhinestone-embellished straps, lace-up back
- Side zipper and hook-eye closure
- Curve-hugging mermaid silhouette, floor-length hem
- Smooth knit fabric, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7410
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Haylee Sequin Rose Mermaid Formal Dress
Special Occasion
Will you accept this rose sequin dress? Fall for the Haylee formal dress and her elegant allure! She features a one-shoulder design with strappy detail, built-in bust support, an empire waist, and a high-cut front slit on her mermaid silhouette. Zipper closure on the back. Complete the look in lace-up heels and dangly earrings.
Fit & Features
- One-shoulder design, strappy detail, built-in bust support
- Empire waist, high-cut slit
- Mermaid silhouette, zipper closure
- Sequin rose knit-lined fabric
- Minimal stretch
- Fits true to size
Style Number/Barcode: 05002-2115
Category Name: Long Wedding Guest Dresses
Price: $14.97 $96.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Florence Formal Lace Illusion Mermaid Dress
Special Occasion
Go bold with a formal dress that commands attention from the moment you enter the room! Florence features a sleeveless sweetheart neckline, lace cups, adjustable spaghetti straps, and an illusion lace bodice with contrast piping. The slim-fit waist leads to a satin mermaid silhouette with ruching and a high side slit. The dress offers a form hugging fit with slight stretch. Complete look with door knocker earrings and a satin clutch.
Fit & Features
- Sleeveless sweetheart neckline, padded cups, underwire
- Lace cups, adjustable spaghetti straps
- Illusion lace bodice with contrast piping, flexible boning
- Mermaid silhouette
- Ruching, high side slit
- Satin fabric
- Form hugging fit, slight stretch
- Runs true to size
Style Number/Barcode: 05002-1321
Category Name: Long Wedding Guest Dresses
Price: $13.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Emmalyn Formal Heat Stone Velvet Dress
Special OccasionBring sophistication and elegance to your evening as you wow in sparkling heat stones! Emmalyn features an all over black hue, a wrap V neckline, narrow shoulder straps and subtle ruching along the bodice. She is adorned with dazzling heat stones and is accented with an asymmetrical floor length silhouette. Dress is composed of a lined velvet fabric that offers a form hugging fit with a moderate stretch. Includes a back zipper closure.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6291
Category Name: Long Wedding Guest Dresses
Price: $29.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Kaida Sleeveless Slit Mermaid Formal Dress
Special Occasion
Sleek and striking, the Kaida long formal dress offers a simply chic style with a flattering mermaid silhouette and high front slit giving effortless flair!
Channel elegance in this stunning dress. Loving rich hues? Explore our bold green prom dresses or make a statement in our elevated formal dresses.
Fit & Features
- Stretch knit fabric lined with knit
- Square neckline, padded bra cups
- Adjustable spaghetti straps, back zipper and hook-eye closure
- High front slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, dinner parties, milestone celebrations, cocktail soirees
Style Number/Barcode: 05002-9211
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: GREEN
Available Size: XS, S
Product Badge:- Ships Free
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Aleah Formal Satin Halter Mermaid Dress
Special Occasion
Channel a chic and sultry vibe for your next formal affair in the Aleah satin halter mermaid dress! Designed with a stretchy satin-knit fabric, this long dress will hug your gorgeous curves with her form-fitting silhouette. She features a sleeveless bodice, a draped halter neckline with a tie-back design, a bold open back with a lower bar strap design for added allure, lower back ruching, and a mermaid fit an iconic look on the floor-length hem. Complete your look with sleek stilettos.
Fit & Features
- Stretchy satin-knit fabric
- Draped halter neckline with tie-back design
- Open back, lower bar strap design
- Lower back ruching, zipper closure
- Mermaid fit
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8320
Category Name: Long Wedding Guest Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Briella Glitter Lace Cross-Back Mermaid Dress
Special Occasion
Serve gorgeous glamour at your black-tie affair in the Briella formal dress designed with a glitter lace fabric for a stunning shimmer. It features a sleeveless V-neckline with a padded bust for support, dual spaghetti straps that lead to an alluring open back with a cross-back strappy design, lower back ruching, and a floor-sweeping mermaid silhouette to highlight your curves.
Fit & Features
- Glitter lace fabric with lining
- V-neckline with padded bust
- Dual spaghetti straps
- Open back, cross-back strappy design
- High waist seam, lower back ruching
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8725
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Melissa Formal Satin Halter Mermaid Long Dress
Special Occasion
Figure-flattering details make the Melissa formal satin long dress impress with sexy standout style! She features a chic halter neckline and a flexible boning bodice, this dress will flatter your silhouette effortlessly. The side pleated seam and mermaid silhouette add a touch of sophistication, while the high front asymmetrical slit and floor-length hem create a captivating look. Crafted from silky satin fabric, the formal dress offers a subtle sheen effect and minimal stretch. Complete the look in dangly rhinestone earrings for a black tie celebration or event!
Fit & Features
- Sleeveless halter neckline
- Flexible boning inserts in the bodice, side pleated seam
- Back zipper and hook-eye closure
- Mermaid silhouette, high front asymmetrical slit, floor-length hem
- Silky satin fabric, subtle sheen, minimal stretch
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7849
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Romy Formal Mermaid Glitter Dress
Special Occasion
Stun in a formal dress that makes your entrance that much more glitzy! Romy features a beautiful glitter knit body that shimmers from all your best angles, a sleeveless V-neckline with padded cups, adjustable spaghetti straps, and a sexy lace-up back supported with flexible boning. Her slim-fit waist leads to an enchanting mermaid silhouette accented with a gorgeous train. She is composed of a lined glitter knit fabric that offers a form hugging fit with a moderate stretch. Complete look with rhinestone heels and a glitter clutch.
Fit & Features
- Sleeveless V-neckline
- Padded cups, adjustable spaghetti straps
- Lace-up back, flexible boning
- Mermaid
- Wide banded hem, train
- Lined glitter knit fabric
- Form hugging fit, moderate stretch
Style Number/Barcode: 05002-2345
Category Name: Long Wedding Guest Dresses
Price: $52.97 $124.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Chelsea Glitter Lace Formal Dress
Special Occasion
Create an elegant and chic look in the gorgeous Chelsea formal dress. She features a deep V-neckline with a scalloped lace trim, sheer short cap sleeves, an open back design, a sheer lace panel at the lower back, and a floor-length, fitted silhouette. The sheer lace fabric has an all-over glitter detail for a stunning sparkle. Style this dress with rhinestone earrings and a sleek clutch.
Fit & Features
- Deep V-neckline, scalloped lace trim
- Sheer short cap sleeves
- Open back design, top button closure
- Sheer lace panel at the lower back, zipper closure
- Floor-length, fitted silhouette
- Sheer glitter lace fabric, knit lining, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1063
Category Name: Long Wedding Guest Dresses
Price: $19.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Meadow Rhinestone Glitter Formal Dress
Special Occasion
Crafted for moments that call for a little extra glow, the Meadow rhinestone glitter mermaid gown hugs and sculpts before flowing into a dramatic finish. The strapless neckline and low back create a striking balance of elegance and allure, made for an entrance they won’t forget.
Fit & Features
- Rhinestone-embellished glitter mesh fabric with full-length knit lining, high stretch
- Strapless neckline with structured bodice, padded bra cups
- All-over ruched detailing
- Low back detail, zipper and hook-eye closure
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, black-tie occasions, red carpet events, spring galas, balls, and big birthday events.
Style Number/Barcode: 05002-000975
Category Name: Long Wedding Guest Dresses
Price: $99.90
Availability: In Stock
Available Color: PINK
Available Size: XS, S, M
Product Badge:- Ships Free
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Effortless Enchantment Floral Pleated Maxi Dress
This floral maxi dress brings the effortless, enchanted vibes to any occasion! With a sweetheart neckline and a pleated, flowy silhouette, you'll adore this dress all season long.
Fit & Features
- Floral print, chiffon fabric, stretchy knit lining
- Sweetheart neckline
- Adjustable spaghetti straps
- Tie-back detail, lower hidden zipper and hook-eye closure
- Pleated flowy silhouette
- Maxi-length hem
- Runs true to size
Style Number/Barcode: 05101-3914
Category Name: Long Wedding Guest Dresses
Price: $9.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Nadia Lace-Up Mermaid Formal Dress
Special Occasion
From the open lace-up back to the mermaid silhouette, the Nadia formal dress beautifully showcases your figure!
Fit & Features
- Smooth knit fabric, stretchy knit lining
- Cowl neckline, padded bra cups
- Wide shoulder straps
- Lace-up open back, lower zipper and hook-eye closure
- Side ruched seams, mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, black-tie galas, charity dinners, engagement parties, fancy milestone parties, nights at the opera and theatre
Style Number/Barcode: 05002-9580
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Lovely Look Floral Mesh Maxi Dress
Create a lovely look in this airy mesh maxi dress accented with a large floral print pattern. The open back features a cross-back strappy design that will turn heads.
Fit & Features
- Sheer mesh fabric with full-length knit lining, high stretch
- Large floral print
- Sleeveless V-neckline
- Dual spaghetti straps
- Open back, cross-back strappy design
- Maxi-length hem, fitted silhouette
- Runs true to size
Style Number/Barcode: 05101-4119
Category Name: Long Wedding Guest Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Marla Mesh Off-The-Shoulder Formal Dress
Special Occasion
Soft, sculpted, and made for a slow-motion entrance—the Marla formal dress pairs sheer ruched mesh with an off-the-shoulder wired neckline that beautifully frames the collarbone. The fitted mermaid silhouette glides to a floor-length hem, creating a look that’s both romantic and unforgettable.
Fit & Features
- Mesh fabric, stretch knit lining
- Off-the-shoulder wired neckline
- Ruched sheer fitted long sleeves
- Back zipper and hook-eye closure
- Ruched mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Formal weddings, evening galas, milestone celebrations, engagement parties, rehearsal dinners, fancy date nights
Style Number/Barcode: 05002-000515
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: PURPLE
Available Size: XS
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Kimmie Off-The-Shoulder Slit Formal Dress
Special Occasion
Striking yet soft, the Kimmie formal dress is designed to captivate from every angle. Crafted from airy mesh with off-the-shoulder sleeves and a sweetheart neckline, its ruched bodice and thigh-high slit deliver the perfect blend of romance and modern allure.
Fit & Features
- Stretchy partially lined mesh fabric
- Off-the-shoulder sweetheart neckline, ruched bust seam, padded bra cups
- Sheer mesh fitted bodice, back zipper and hook-eye closure
- Ruched accent, high front slit
- Mermaid silhouette
- Flowy floor-length hem
- Runs true to size
Where to Wear:
Formal wedding, black tie event, gala, holiday celebration, big birthday events, elegant dinners, red-carpet evenings
Style Number/Barcode: 05002-000508
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Darianka Formal Strapless Slit Long Dress
Special Occasion
Made from shimmery knit fabric, the Darianka formal long dress delivers subtle glamour perfect for bridesmaids, wedding guests, or fancy parties! She features a strapless neckline, a padded bust for support, a side pleated, and a figure-flattering slim silhouette with a wrap-high front slit. Complete the look with a chic clutch and heels.
Fit & Features
- Strapless neckline
- Padded bust
- Side pleated seam
- Slim silhouette, wrap high front slit
- Long-length hem
- Shimmer knit fabric, bust knit lining, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-7806
Category Name: Long Wedding Guest Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Amara Formal Scalloped Lace Mermaid Dress
Special Occasion
Make an enchanting entrance with a lace dress that brings the drama to your formal evening! The dress features a sleeveless V-neckline with single button closure at the nape of the neck, an open-back design, a floral lace body, sparkling sequins throughout, and a mermaid silhouette. The dress offers a form hugging fit with slight stretch. Complete look with rhinestone heels and a clutch.
Fit & Features
- Sleeveless V-neckline
- Open back, single-button closure at the nape of the neck
- Floral lace body
- Sequins
- Mermaid silhouette
- Lace fabric
- Form hugging fit, minimal stretch, runs true to size
Style Number/Barcode: 05002-1684
Category Name: Long Wedding Guest Dresses
Price: $14.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Esme Formal High Slit Glitter Dress
Special Occasion
Bring on the shine to your evening with our head-turning Esme dress! Pair Esme with rhinestone accents and glitzy pumps to elevate your evening!
Fit & Features
- Plunging Wired V-Neckline
- Padded Cups | Tank-Like Straps
- Mesh Back with Contrast Straps
- High Side Slit | Wide-Banded Hem
- Lined Glitter Woven Fabric
- Relaxed Fit | Minimal Stretch
Model is 5'9" with a 32" bust, 24" waist and 34" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0897
Category Name: Long Wedding Guest Dresses
Price: $19.97 $139.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Emery Formal Glitter A-Line Dress
Special Occasion
Create a moment that will take their breath away from the time you enter the room in our unforgettable Emery formal glitter dress! Pair with dainty accessories to elevate your evening!
Fit & Features
- Square Neckline | Supportive Tank-Like Straps
- Vertical Princess Seams
- Lattice Straps
- Hidden Side Pockets
- Lined Woven Glitter Fabric
- A-Line Silhouette | Mini Skirt Length Knit Lining
- Relaxed Fit | Moderate Stretch
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0764
Category Name: Long Wedding Guest Dresses
Price: $14.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kai Formal Sleeveless Crepe Dress
Special OccasionEnter the room and charm in our timelessly elegant Kai dress! She features a classic black hue, a V neckline, princess seams and adjustable narrow straps. Her slim fit bodice features a narrow waistband accent, unlined mesh insets and a floor length silhouette accented with vertical seams and a high side slit. Dress is composed of a lined crepe fabric that offers a form hugging fit with a moderate stretch. Includes a back zipper closure.
Model is 5'7" with a 34" bust, 24" waist and 36" hips. She is wearing a size small.Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6200
Category Name: Long Wedding Guest Dresses
Price: $22.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Stevie Off-The-Shoulder Formal Dress
Special Occasion
The Stevie gown pairs luminous satin with a sculpted mermaid silhouette that flatters from every angle. The beaded applique adds soft dimension, while the lace-up back brings a touch of drama that feels equal parts refined and unforgettable.
Fit & Features
- Stretch satin fabric, knit lining
- Off shoulder neckline, padded bra cups, non-slip grip lining
- Beaded appliqué detailing
- Lace-up back, zipper and hook-eye closure
- Mermaid floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, black tie galas, prom, ballroom events, big birthday events, formal celebrations, red-carpet occasions
Style Number/Barcode: 05002-000999
Category Name: Long Wedding Guest Dresses
Price: $99.90
Availability: In Stock
Available Color: SAGE, YELLOW
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Juliana Formal Sequin Mesh Mermaid Dress
Special Occasion
Dare to bring drama in the elegant and alluring Juliana formal sequin mesh mermaid dress! She features a sleeveless V-neckline, spaghetti straps, a padded bust, and a bold open back with a cross-back, lace-up strappy design for customizable wear. Her fitted high waist flows out to a floor-sweeping hem with a figure-flattering mermaid silhouette. The lined mesh fabric features sequin embroidery in an intricate vintage-inspired pattern that is sure to garner all the compliments. Complete your black-tie look with a shimmering rhinestone necklace.
Fit & Features
- Sleeveless V-neckline, spaghetti straps, padded bust
- Open back, cross-back lace-up, zipper and hook-eye closure
- Fitted high waist, floor-length hem, mermaid silhouette
- Sequin embroidery
- Sheer mesh fabric, full lining
- Sticky bra or pasties recommended
- Runs true to size
- Gloves pictured sold separately
Style Number/Barcode: 05002-6908
Category Name: Long Wedding Guest Dresses
Price: $69.97 $154.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Lana Formal High Slit Dress
Special Occasion
Bring the elegance in our captivating Lana high slit dress! Her sleeveless bodice is perfect to pair with a statement necklace while her high slit is all for showing off your glam heels!
Fit & Features
- Strapless Square Neckline
- Subtle Fold Over Accent
- A-Line Silhouette
- High Slit
- Crepe Fabric
- Form Hugging Fit
Model is 5'7" with a 34" bust, 24" waist and 34" hips. She is wearing a size small.
Style Number/Barcode: 05002-1035
Category Name: Long Wedding Guest Dresses
Price: $29.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free