Semi-Formal Dresses
Explore our stunning collection of semi-formal dresses, ideal for dances, sorority events, cocktail parties, and weddings. Our curated assortment includes a variety of lengths and styles, from the sophisticated elegance of midis to simple long flowy dresses made in chiffon, shimmery glitter mesh, and elevated crepe. Step into sophistication in a black semi-formal dress, perfect for a cocktail soiree, or embrace the sleek allure of luxe satin in a trumpet-style dress for a romantic date night or birthday celebration.
HomeSemi-Formal Dresses
Semi-Formal Dresses
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Effortlessly Chic Semi-Formal Dresses
Find the perfect balance between casual and formal with Windsor’s collection of semi-formal dresses, designed to make you feel polished and event-ready. Whether you're attending a fall wedding, a holiday dinner, or a sophisticated night out, these dressy dresses blend elevated style with effortless wearability.
Discover the latest 2025 trends, from sleek satin and soft velvet to romantic lace and shimmering embellishments. Choose from fitted midi styles that highlight your silhouette or flowy long semi-formal designs that bring graceful movement to every step. With luxe colors ranging from rich jewel tones to timeless neutrals, our collection offers fresh seasonal styles for any dressy occasion.
Need semi-formal attire for women? Opt for a timeless wrap-front dress or a chic ruched design for a flattering fit. If you're drawn to playful yet refined styles, consider A-line dresses with asymmetrical hems or delicate lace accents that exude effortless charm. Looking for something sleek and sultry? A fitted bodycon dress with a high slit or an off-the-shoulder neckline makes a bold seasonal statement.
Each dress is designed to transition seamlessly from one event to the next, making it easy to find a piece that matches your style and the occasion. Complete your look with sparkling rhinestone jewelry, a chic clutch, and sleek heels for a head-to-toe ensemble that turns heads. Shop Windsor’s collection of semi-formal dresses online or in-store to step into your next fall event with confidence and style.
What Is the Difference Between a Formal Dress and a Semi-Formal Dress?
The key difference between formal and semi-formal dresses lies in their level of elegance and the occasions they suit. Formal dresses are typically floor-length gowns designed for black-tie events, galas, or upscale weddings, featuring luxurious fabrics and dramatic silhouettes that create a refined look.
Semi-formal dresses offer a balance of sophistication and versatility, making them perfect for cocktail parties, weddings, graduations, and holiday celebrations. These styles range from chic midi-length dresses to stylish maxi options, often featuring trendy details like wrap fronts, ruching, or asymmetrical hems. With the right accessories, a semi-formal dress can still create a stunning, event-ready look.
Not sure which style fits your occasion? Windsor’s team is here to help you find the perfect dress online or in-store.
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Joleen Velvet Lace-Up Corset Mini Dress
Special Occasion
Velvet meets va-va-voom in the Joleen bodycon mini dress, designed to turn every head in the room. A sheer rhinestone corset bodice, lace-up open back, and wrap-front slit deliver a high-impact finish with every step.
Fit & Features
- Velvet fabric lined with stretchy knit
- Sweetheart neckline, cowl draping, padded bra cups, rhinestone trim
- Spaghetti straps
- Lace-up open back, lower zipper and hook-eye closure
- Sheer mesh corset bodice, flexible boning, rhinestones
- Front wrap slit, bodycon mini-length silhouette
- Runs true to size
Where to Wear:
Homecoming, birthdays, date nights, GNO, Vegas, parties, rooftop hotel bars, glam red carpet events
Style Number/Barcode: 05001-000118
Category Name: Semi-Formal Dresses
Price: $25.00 $69.90
On Sale: Yes
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L
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Klarissa Formal Crepe Mermaid Dress
Special Occasion
Look and feel simply fabulous in the Klarissa formal crepe dress perfect for black tie weddings, banquets, and dressy cocktail parties! She features a sleeveless square neck, adjustable spaghetti straps, flexible boning inserts along the bodice, and a figure-flattering mermaid silhouette with a floor-length hem. The formal dress is composed of a crepe fabric with a stretchy knit lining. Complete the look in a gorgeous necklace set.
Fit & Features
- Sleeveless square neck, adjustable spaghetti straps
- Back zipper and hook-eye closure
- Flexible boning inserts along bodice
- Mermaid silhouette, floor-length hem
- Crepe fabric, stretch knit lining
- Pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7428
Category Name: Semi-Formal Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Viola Formal Glitter Long Dress With Gloves
Special Occasion
Sparkly and striking the Viola formal glitter dress was made to bring the shimmer! Perfect for banquets and black tie celebrations. She features a strapless neckline, side ruched seams that accentuate your curves, a slim silhouette, a skin-baring high side slit, a long hem, and sheer mesh gloves that fit above the elbow. The formal dress is composed of a glitter mesh fabric with a stretchy knit lining. Complete the look in a rhinestone collar necklace and heels.
Fit & Features
- Strapless neckline
- Side ruched seams, high side slit
- Curve-hugging, slim silhouette, long-length hem
- Sheer glitter mesh gloves, fits above the elbow
- Glitter mesh fabric, stretchy knit lining
- Strapless bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7314
Category Name: Semi-Formal Dresses
Price: $39.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kaisley Strapless High Slit Slim-Fit Formal Dress
Special Occasion
Simply chic, the Kaisley formal dress will bring a stylish sophistication to any special event! She features a strapless straight-across neckline with a fold-over design, princess seam accents, a floor-length hem with a high side slit to showcase some leg, and a curve-hugging silhouette. The crepe fabric includes a full-length knit lining and offers a moderate stretch. Complete the look with strappy stilettos.
Fit & Features
- Strapless straight-across neckline, fold-over design
- Princess seams
- Floor-length hem, high side slit
- Form-hugging fit
- Crepe fabric, knit lining, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7299
Category Name: Semi-Formal Dresses
Price: $19.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Audrey Formal Ruffled One Shoulder Dress
Special Occasion
Timeless with an eye-catching twist, the Audrey long formal dress is ready to make your acquaintance for banquets, ceremonies, and black-tie events. She features a striking sleeveless one-shoulder neckline, a bonded ruffled design for a structured look, a flattering mermaid silhouette, and a bonded ruffled long-length hem. The formal dress is composed of a sleek scuba knit fabric with plenty of stretch. Complete the look with a clutch and stiletto pumps.
Fit & Features
- Sleeveless one-shoulder neckline, bonded ruffled design
- Mermaid silhouette
- Bonded ruffled long hem
- Sleek scuba knit fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-4037
Category Name: Semi-Formal Dresses
Price: $9.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Ashlee Rhinestone Pearl Lace-Up Mini Dress
Special Occasion
Made for grand entrances and unforgettable exits, the Ashlee faux pearl rhinestone mini dress stuns with a bodycon silhouette and dramatic lace-up open back. A plunge V-neck adds just the right touch of daring to this show-stealing moment.
Fit & Features
- Rhinestone and faux pearl embellished
- Mesh fabric lined with stretchy knit
- Plunge V-neckline, padded bra cups
- Spaghetti straps
- Lace-up open back, lower zipper and hook-eye closure
- Side ruched seams, bodycon silhouette, mini-length hem
- Runs true to size
Where to Wear:
Homecoming, birthdays, bachelorettes, GNO, Vegas, date nights, parties, rooftop bars
Style Number/Barcode: 05001-000025
Category Name: Semi-Formal Dresses
Price: $25.00 $52.90
On Sale: Yes
Availability: In Stock
Available Color: PINK
Available Size: XS, S, M, L
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Hazel One-Shoulder Sequin Velvet Formal Dress
Special Occasion
The stunning and sultry Hazel sequin velvet formal dress will show off gorgeous glamour! She features a sleeveless one-shoulder neckline with an asymmetric cutout at the bust, a slim-fit silhouette, and an asymmetric floor-length hem creating a chic high side slit. The all-over sequin embroidery on the lined velvet fabric makes the dress all the more luxe. Complete your black-tie look in this long dress with a rhinestone clutch.
Fit & Features
- Sleeveless one-shoulder neckline
- Asymmetric bust cutout
- Back zipper, hook and eye closure
- Slim-fit silhouette
- Asymmetric floor-length hem, side slit
- Sequin embroidery, velvet fabric, knit lining, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7135
Category Name: Semi-Formal Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Yareli Formal Sequin Mermaid Dress
Special Occasion
Dazzling sequins steal the show on the Yareli formal dress at prom! She embodies a sleek style in her asymmetric one-shoulder neckline with a single strap that can be worn off-the-shoulder and features a form-fitting bodice. Her high waist leads to a floor-length mermaid silhouette that effortlessly moves with you. The formal dress is composed of a lined mesh fabric with all-over sequin embroidery for a gorgeous shine. Finish the look with a silver clutch and heels.
Fit & Features
- Asymmetric one-shoulder neckline, off-the-shoulder strap
- Form-fitting bodice, high waist
- Floor-length hem, mermaid silhouette
- Sequin embroidered design
- Lined mesh fabric
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-2277
Category Name: Semi-Formal Dresses
Price: $109.90
Availability: Out of Stock
Product Badge:- Ships Free
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Colette Open-Back Sequin Lace Mini Dress
Special Occasion
The sequin lace mini dress features a mock neck, sheer fitted long sleeves, a bold open-back design with a lower-back bar strap accent, and a leaf sequin pattern. Complete formal outfit with glitter heels.
This dress proves that short and stylish is always a vibe. Want more? Discover our bold short prom dresses or find a celebration-ready fit in our party dresses.
Fit & Features
- Sequin leaf scroll pattern and lined lace fabrication
- Mock neck with button closures
- Fitted sheer long-sleeves
- Open-back design with lower back bar strap, zipper and hook-eye closure
- Bodycon silhouette
- Mini length hem
- Runs true to size
Style Number/Barcode: 05001-2561
Category Name: Semi-Formal Dresses
Price: $9.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Garden Stroll Floral Mesh Midi Dress
Create a dreamy vibe for your next garden party in this mesh midi dress featuring a dainty floral print pattern. The ruched seams will accentuate your curves along the bodycon silhouette.
Fit & Features
- Sheer mesh fabric with full-length knit lining, high stretch
- Floral print, padded bra cups
- Sleeveless sweetheart neckline, lace bust insert, draped cowl neck overlay
- Adjustable spaghetti straps, back zipper with hook-eye closure
- Ruched side and back seams
- Midi-length bodycon silhouette
- Runs true to size
Style Number/Barcode: 05101-4116
Category Name: Semi-Formal Dresses
Price: $25.00 $49.90
On Sale: Yes
Availability: In Stock
Available Color: IVORY
Available Size: XS, S, M, L, XL
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Veronica Formal Chiffon Sleeve Slit Long Dress
Special Occasion
Have a dreamy night in the Veronica! She showcases beauty and sophistication in a chiffon long sleeve with a sultry scoop neck with a wired V-notch accent. Her fitted princess bodice accentuates your figure on a floor-length hem with a side slit for a peek of leg. The formal dress is composed of a crepe-lined fabric with minimal stretch. Finish the look with rhinestone earrings.
Fit & Features
- Long chiffon sleeves
- Scoop neck, wired V-notch accent
- Fitted princess seam bodice
- Floor-length hem, side slit
- Crepe-lined fabric, minimal stretch
- Bra-friendly design
- Runs true to size
Style Number/Barcode: 05002-2082
Category Name: Semi-Formal Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Star Formal One-Shoulder Mermaid Dress
Special Occasion
Seal in your formal look with a crepe dress that elevates your special evening outfit. Star features a one-shoulder neckline with a bow accent on the shoulder, a lightly pleated bodice, a high side slit, and a mermaid silhouette. The dress is composed of a lined crepe fabric that offers a form-hugging fit with a moderate stretch. Complete the look with a rhinestone collar and stilettos.
Fit & Features
- One-shoulder neckline, bow accent
- Lightly pleated bodice
- High side slit, mermaid silhouette
- Lined crepe fabric
- Form-hugging fit, moderate stretch
- Strapless or sticky bra recommended
- Style runs large
Style Number/Barcode: 05002-1569
Category Name: Semi-Formal Dresses
Price: $19.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Whitney Formal High-Slit Mermaid Dress
Special Occasion
Bring the elegance to your look with a formal dress that wows! The dress features a sleeveless V-neckline with padded cups, spaghetti straps, a lace-up back, a high side slit with a ruched drawstring, and a mermaid silhouette. The dress is composed of a smooth knit fabric that offers a form-hugging fit with a moderate stretch. Complete look with a rhinestone anklet and glitter heels.
Fit & Features
- Sleeveless V-neckline, padded cups
- Bungee spaghetti straps
- Lace-up back design
- High side slit with ruched drawstring
- Mermaid silhouette
- Knit fabric, short knit lining, form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1493
Category Name: Semi-Formal Dresses
Price: $39.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Ever Formal High Slit Glitter Dress
Special Occasion
Bring the glitz and glamour in a formal dress that reflects elegance! The Ever formal long dress features a sleeveless asymmetrical cowl neckline, a ruched shoulder strap, a spaghetti strap, and a high side slit to show off plenty of leg. Ever is composed of luxe glitter knit fabric that offers a form hugging fit with a moderate stretch. Complete look with rhinestone heels.
Fit & Features
- Sleeveless cowl neckline
- Spaghetti strap
- Ruched shoulder strap
- High side slit on the left leg
- High waist, slim-fit silhouette
- Glitter knit fabric
- Form hugging fit, moderate stretch , runs true to size
Style Number/Barcode: 05002-1344
Category Name: Semi-Formal Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Refined Charm Flocked Velvet Halter Midi Dress
The midi dress features a sleeveless halter neckline with a single halter neck strap, a floral flocked velvet pattern, and a high side slit. Complete the cocktail outfit with sleek stiletto heels.
Fit & Features
- Lined mesh fabrication
- Sleeveless halter neckline
- Floral flocked velvet pattern
- High side slit
- Midi length hem
- Runs true to size
Style Number/Barcode: 05101-3809
Category Name: Semi-Formal Dresses
Price: $25.00 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Fiona Formal One-Shoulder High Slit Dress
Special Occasion
Capture the essence of true sophistication in this one-shoulder long formal dress, perfect for your next black-tie wedding, prom, or gala. This floor-length dress is made with matte crepe fabric exuding a modern aesthetic designed to highlight the sleek asymmetrical neckline. The mermaid-style silhouette flares gracefully at the bottom, accentuating the figure, while a sultry side slit adds a touch of allure. Side ruching artfully wraps around the waistline, enhancing curves to perfection. Pair this modernly elegant look with strappy rhinestone heels and a matching clutch for the perfect finishing touch.
Fit & Features
- One-shoulder neckline, adjustable spaghetti strap
- Adhesive bra recommended
- Back zipper, hook and eye closure
- Mermaid silhouette, floor-length hem, high side slit
- Crepe fabric
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1121
Category Name: Semi-Formal Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Bridget Formal Glitter Ruffled Long Dress
Special Occasion
Give off a flirtatious flair that will turn heads in the Bridget formal glitter ruffled long dress! Crafted from a glam glitter crepe fabric, she features a strapless sweetheart neckline, a fitted bodice with a high waist, an alluring lace-up back for a customized fit, a floor-length hem with a stunning tiered ruffled design, and a slim-fit silhouette to accentuate your figure. Style this formal long dress with a rhinestone necklace and earrings set and stiletto heels.
Fit & Features
- Strapless sweetheart neckline
- Fitted bodice, high waist
- Lace-up back design, tie closure, back zipper and hook-eye closure
- Floor-length hem, tiered ruffled design, slim-fit silhouette
- Lined glitter crepe fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7965
Category Name: Semi-Formal Dresses
Price: $14.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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In Bloom Floral Slit Midi Dress
Soft florals meet a sultry silhouette—this midi dress is your date night fave. The body-hugging fit and flirty slit bring serious heart-eye energy.
Fit & Features
- Floral print, stretchy knit fabric with lining
- Sweetheart cowl neckline
- Spaghetti straps
- Bodycon fit
- Front slit
- Midi-length hem
- Runs true to size
Style Number/Barcode: 05101-000214
Category Name: Semi-Formal Dresses
Price: $19.97 $44.90
On Sale: Yes
Availability: In Stock
Available Color: BROWN
Available Size: XS, S, M, L, XL
Product Badge:- Sale
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Kylie Formal Glitter Ruffle Long Dress
Special Occasion
The Kylie formal glitter dress will ensure no one overlooks your entrance. She features a cowl neckline, form-hugging slim silhouette, and glitter crepe knit fabric, this sleeveless dress makes a statement with its sophisticated side slit trimmed with elegant ruffled trim. An eye-catching piece for any evening event, this long-length hem will have you glittering as you make your grand entrance. Complete the look in platform heels and clutch for a school dance or red carpet occasion!
Fit & Features
- Sleeveless cowl neckline
- Spaghetti straps
- Form-hugging slim silhouette
- High side slit, ruffle trim, long hem
- Glitter crepe knit fabric, moderate stretch
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7765
Category Name: Semi-Formal Dresses
Price: $29.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Whitley Formal Ruched Long Mermaid Dress
Special Occasion
The Whitley formal ruched long mermaid dress will showcase your stunning silhouette at your next formal affair! Crafted from a stretchy smooth knit fabric, she features a sleeveless cowl neckline with a built-in padded bust so you don't have to worry about a bra, adjustable spaghetti straps for a customized fit, ruching down the back and side seams, a dramatic floor-sweeping hem with a cascading train, and an iconic mermaid silhouette to flaunt your curves. Style this formal long dress with rhinestone chandelier earrings.
Fit & Features
- Sleeveless cowl neckline, padded bust
- Adjustable spaghetti straps, back zipper, hook and eye closure
- Ruched back and side seams
- Floor-sweeping hem, train, mermaid silhouette
- Stretchy smooth knit fabric, mini-length knit lining
- No bra required
- Runs true to size
Style Number/Barcode: 05002-8253
Category Name: Semi-Formal Dresses
Price: $39.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Dreamy Destination Cutout Tropical Print Maxi Dress
Get ready to jet set to your dreamy destination with this sexy tropical maxi dress! The lightweight woven fabric showcases an abstract tropical print to bring that bold allure to your next getaway. The maxi-length dress features a sleeveless halter neckline with tie-back straps that can be styled as a criss-cross high neck or a sultry plunging design according to your fashion mood! The long dress has a chic center O-ring accent and eye-catching waist cutouts with thin straps that lead to an open back with a tie-back design. The flowy A-line fit will bring those breezy vibes, while the dual thigh-high side slits add a sexy silhouette. Complete your look with heeled sandals!
Fit & Features
- Tropical printed woven fabric
- Sleeveless halter neckline, tie-back straps
- Waist cutouts, O-ring accent
- Open back, lower tie-back straps
- Dual high-cut side slits
- Flowy A-line silhouette
- Runs true to size
Style Number/Barcode: 05102-5356
Category Name: Semi-Formal Dresses
Price: $23.97 $52.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Valery Formal Sequin Square Neck Long Dress
Special Occasion
The Valery formal sequin long dress is the epitome of elegance! She features a square neckline, a padded bust, adjustable spaghetti straps, and a curve-hugging slim silhouette. With a side slit and floor-length hem, this long dress is perfect for any formal event. The sequin scroll pattern on mesh fabric will make you stand out at banquets, school dances, or galas! Complete the look with a gemstone necklace and earrings.
Fit & Features
- Sleeveless square neckline, padded bust
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Curve-hugging, slim silhouette
- Side slit, floor-length hem
- Sequin scroll pattern, mesh fabric, stretchy knit lining
- Runs true to size
Style Number/Barcode: 05002-7648
Category Name: Semi-Formal Dresses
Price: $49.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Ada Rhinestone Open Back Mini Dress
Special Occasion
Made to shimmer under the lights, the Ada rhinestone bodycon dress stuns with its sleek strapless silhouette and daring draped back. A perfect mix of polished glamour and modern edge, it’s built for unforgettable entrances.
Fit & Features
- Rhinestone embellished knit fabric
- Strapless tube neckline
- Draped open back
- Bodycon fit
- Mini-length hem
- Runs true to size
Where to Wear:
Homecoming, bachelorettes, date nights, birthdays, rooftop hotel bars, cocktail parties, concerts
Style Number/Barcode: 05001-000385
Category Name: Semi-Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: NAVY, GOLD
Available Size: L, M
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Elena Formal Satin High Slit Long Dress
Special Occasion
Do your curves a favor when you slip on the elegant Elena formal satin dress! Crafted from luxurious satin fabric, she features classic details like a sleeveless, square neck, spaghetti straps, bust seam detailing, a flattering form-hugging slim silhouette, a high front slit, and a long hem. Complete the look in statement earrings and a clutch for a black tie gala or dinner banquet!
Fit & Features
- Sleeveless square neck, spaghetti straps
- Bust seam detailing
- Form-hugging, slim silhouette
- High front slit, long hem
- Silky satin fabric, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7614
Category Name: Semi-Formal Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Sale