Formal Dresses
Step into a world of elegance in our collection of formal dresses, picture-perfect for weddings, proms, balls, and galas. Our curated assortment includes a variety of lengths and styles, from the classic floor-sweeping ball gowns to the sophisticated charm of midi-length dresses. Delve into the timeless beauty of princess-like tulle skirts, the sleek allure of luxe satin mermaid-style dresses, and the modern sophistication of low-back silhouettes.
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Summer’s Stunning Formal Dresses for Every Celebration
Get ready to slay with Windsor’s formal dresses made for unforgettable nights. From vibrant yellow and sunset orange elegant dresses to classic black formal dresses, each style features luxe fabrications and the must-have Windsor details you love—adjustable straps, hidden pockets, structured corset bodices, and more—for a designer feel at a price you’ll actually love.
Warm-weather designs bring the heat with off-shoulder and strappy formal dresses, lace-up backs, and sleeveless necklines—perfect for dancing, celebrating, and capturing all your best moments. Dive into long formal dresses with flowing or fitted silhouettes, or rock short formal dresses with playful hems and sleek shapes for maximum impact.
Trend-driven yet timeless, these special occasion dresses come in figure-flattering shapes—from curve-skimming fitted styles to breezy, flowy skirts—that boost your confidence and elevate your vibe. Strapless formal dresses in breathable fabrics like chiffon, lace, and crepe keep you cool while standing out at every prom, graduation, or party.
Our stylists have curated here styles we're obsessing over for the 2025 Summer season for the best looks for your feed: Capture Summer Formal Dresses featuring hot pinks, coral oranges, vibrant blues, and butter yellows! Ready to find your dream look? Explore Windsor’s full collection of formal dresses online, in‑app, or at your nearest Windsor store.
Tips for Choosing the Best Formal Dress for Your Body Type
- Hourglass: Slay those curves with a fitted corset bodice and flowing skirt.
- Pear‑Shaped: Balance out your look with a structured top and full skirt.
- Rectangle: Create curves with a cinched waist and flared hem.
- Apple‑Shaped: Draw eyes upward with a V‑neckline and empire waist.
For more styling inspo, hit up our blog guides like “The Ultimate Gala Dresses Guide” or “Sexy Formal Dresses – Create an Eye‑Catching Look” and get ready to own every moment.
What’s the Difference Between a Formal and a Semi-Formal Dress?
Formal and semi-formal dresses differ based on event dress codes and styling. Formal attire, often called black-tie, features glamorous floor-length gowns with luxe details like rhinestones, lace, and beading—perfect for galas, weddings, and proms. Popular silhouettes include mermaid, ball gown, and A-line styles.
Semi-formal dresses offer more variety in length and design, making them ideal for homecoming, weddings, and cocktail parties. These styles range from midi to short lengths.
The venue and occasion can also guide your choice—an upscale wedding may call for a floor-length gown, while an outdoor event might be perfect for a sleek midi dress with a stylish neckline.
Are Formal Dresses Always Long?
Not always! While long gowns are classic for formal events, modern formal attire includes various lengths and styles. Windsor’s collection of women’s formalwear features short, midi, and long dresses. Explore dramatic mermaid and column silhouettes for timeless elegance, or opt for trendy alternatives like high-low hemlines and two-piece designs for a fresh take on formal fashion.
Find your perfect formal dress at Windsor any time of year, available online, in-app, and in over 350 stores across the U.S. and Canada. Shop now for trend-driven styles that make you shine and every event unforgettable!
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Emily One-Shoulder Pleated Asymmetric Mini Dress
Special Occasion
Showcase your bride-to-be status in our chic Emily mini dress for your upcoming engagement party! She features a one-shoulder neckline with a single long fitted sleeve, a back zipper closure, an asymmetric, mini-length, curve-hugging silhouette, and a dramatic side skirt overlay. The dress is composed of a crepe fabric with a knit lining and offers a moderate stretch for comfortable wear. Complete your look with rhinestone earrings and a sleek clutch. Be sure to shop this dress in the other luxe fabrications!
Shop Sequin Dress: Talulla Formal One-Shoulder Sequin Mini Dress
Shop Velvet Dress: Zhuri Formal One-Shoulder Velvet Dress
Fit & Features
- One-shoulder neckline, long sleeve
- Adhesive bra recommended
- High waist seam, back zipper closure
- Side drape overlay
- Asymmetric short hem
- Crepe-lined fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05001-0542
Category Name: Formal Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Alex Satin V-Neck Slit Midi Formal Dress
Special Occasion
Designed to command the room, the Alex formal dress is all sleek confidence with its satin fabric, sculpting midi silhouette, and dramatic plunge neckline. A subtle side slit adds just the right touch of allure, perfect for the kind of entrance that turns heads.
Fit & Features
- Stretch satin fabric
- Plunge V-neckline, wide shoulder straps
- Back zipper and hook-eye closure
- Side slit
- Form-hugging silhouette\
- Midi-length hem
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, engagement parties, date night, birthdays, black tie galas, bridal showers, anniversaries, dinner parties, receptions, cocktail soirees
Style Number/Barcode: 05001-000233
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: DENIM
Available Size: XS, S, M
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Sophia Mesh Open Back Mermaid Formal Dress
Special Occasion
Designed to turn heads from every angle, the Sophia floor-length mesh gown glides with quiet drama and sculpted elegance. The figure-hugging silhouette is finished with ruched seams, a draped cowl neckline, and an alluring open back—perfect for your next black-tie RSVP.
Fit & Features
- Mesh-lined fabric, moderate stretch
- Cowl neckline
- Adjustable spaghetti straps
- Open back
- Ruched seams
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, formal dances, black tie galas, upscale birthdays, garden parties, cocktail dinners, vacations, date nights, bridal showers, engagement parties, rehearsal dinners
Style Number/Barcode: 05002-000330
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: YELLOW
Available Size: XS, S, M, L
Product Badge:- Best Seller
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Amaria Formal Ruched Chiffon Mini Dress
Special Occasion
Step out in style in this long-sleeve mini dress with a plunging V-neckline. Embrace the sophisticated elegance of this chiffon long-sleeve bodycon mini dress with side ruching. The gathering details on the sides of this mini dress enhance the curves of your hourglass shape for an irresistibly stunning look. Elevate this dress with platform heels and a sparkly clutch, perfect for date night or enjoying a night out with your besties.
Fit & Features
- Plunge V-neck, sheer chiffon long sleeves
- Ruched detail
- Bodycon silhouette
- Mini-length hem
- Smooth knit fabric, lining, moderate stretch
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05001-0549
Category Name: Formal Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Selena Satin Cold Shoulder Corset Formal Dress
Special Occasion
The Selena formal dress serves up sultry elegance in lustrous satin. The bodycon midi silhouette stuns with a corset-style bodice, cold shoulder draping, and a dramatic front slit built to turn heads.
Fit & Features
- Stretch satin fabric
- Cold shoulder neckline, adjustable spaghetti straps
- Corset bodice
- Back zipper and hook-eye closure
- Front slit
- Bodycon silhouette
- Midi-length hem
- Runs true to size
Where to Wear:
Weddings, formal dances, rehearsal dinners, engagement parties, birthdays, date nights, cocktail parties, red carpet occasions, black tie galas, anniversaries, fancy celebrations
Style Number/Barcode: 05001-000148
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: RED
Available Size: XS, S, M
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Zadie Formal High-Slit Midi Dress
Special Occasion
Impress in an elegant midi dress that is simply sophisticated! Zadie features a strapless square neckline, flexible boning, a draped accent at the bodice, and a midi-length silhouette accented with a high side slit. The midi dress is composed of a crepe fabric that offers a form-hugging fit with a moderate stretch. Complete the look with rhinestone heels and an anklet.
Fit & Features
- Strapless square neckline
- Draped accent on bodice, flexible boning
- Back zipper closure
- Form-hugging fit, midi-length silhouette, high side slit
- Crepe fabric with moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05001-1266
Category Name: Formal Dresses
Price: $19.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Aden Cutout Back Mermaid Formal Dress
Special Occasion
For the kind of night that calls for a jaw-dropping entrance, The Aden formal dress brings sleek drama in sculpting stretch knit. The sweetheart mermaid silhouette flatters from every angle, designed to move with you from first toast to final dance.
Fit & Features
- Smooth knit fabric
- Sweetheart neckline, wide shoulder straps
- Cutout back design
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, engagement parties, date night, black tie galas, upscale birthday events, red carpet occasions, formal dances, charity dinners, award shows
Style Number/Barcode: 05002-000074
Category Name: Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: RUST
Available Size: XS, S, M, L
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Winslow Formal Satin Lace-Up Dress
Special Occasion
The Winslow is absolute perfection! Gracefully glide into any room in this satin formal gown showcasing a gorgeous lace-up back design that turns heads and a striking high slit for pretty and effortless movement on the dancefloor.
With a smooth, luminous finish, this dress was made to shine. Keep the luxe look going with breathtaking satin prom dresses or go for a sophisticated statement with our wedding guest dresses.
Fit & Features
- Premium satin fabric, lined, no stretch
- Sleeveless, cowl neck, adjustable spaghetti straps
- Form-fitting bodice, open-back, lace-up closure
- Back zipper closure, hidden side pockets
- A-line silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, balls, black-tie weddings, formal milestone celebrations, galas, and opera nights.
Style Number/Barcode: 05002-7869
Category Name: Formal Dresses
Price: $49.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Simone Satin Halter Slit Midi Formal Dress
Special Occasion
Sculpted for the spotlight, the Simone formal dress is your RSVP-ready answer to sleek allure. Designed in luxe satin with a halter high neckline and form-hugging fit, this midi silhouette is finished with a sultry side slit built for dramatic entrances.
Fit & Features
- Stretch satin fabric
- High halter neckline
- Side slit
- Form-hugging fit
- Midi-length hem
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, engagement parties, cocktail soirees, date nights, anniversaries, formal celebration parties, black tie galas
Style Number/Barcode: 05001-000355
Category Name: Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L
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Lila Formal Open-Back Sequin Mermaid Dress
Special Occasion
Bring dazzle and shine to your evening with a prom dress that radiates elegance. The dress features a sleeveless V-neckline, sleek spaghetti straps, a multi-cross-strap design, sparkling sequins set in an intricate damask pattern, and a mermaid silhouette. The dress is composed of a lined mesh-knit fabric that offers a form-hugging fit with slight stretch. Complete your prom look with rhinestone heels and a clutch.
Fit & Features
- Sleeveless V-neckline, padded cups
- Spaghetti straps
- Multi-cross-strap back design
- Sequins, damask print
- Mermaid silhouette
- Lined mesh-knit fabric, form-hugging fit, minimal stretch
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-1746
Category Name: Formal Dresses
Price: $14.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Ophelia Satin Lace-Up Midi Formal Dress
Special Occasion
The Ophelia formal dress catches every eye with its glossy satin finish and sculpting bodycon fit. The lace-up back detail adds just the right touch of drama—elegant, unexpected, and ready for every RSVP on your calendar.
Fit & Features
- Stretch satin fabric
- V-neckline, spaghetti straps
- Lace-up open back
- Bodycon silhouette
- Midi-length hem
- Runs true to size
Where to Wear:
Weddings, formal dances, rehearsal dinners, engagement parties, black tie gala and benefit, dinner parties, date night, bachelorettes, birthdays, milestone celebrations, red carpet events
Style Number/Barcode: 05001-000357
Category Name: Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: DENIM, WINE
Available Size: XS, S, M, L, XL
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Sam Formal Satin Open Back Dress
Special Occasion
Slip into this silky satin number! Sam is here for you and your next dressy affair. She features a sleeveless, plunging V-neckline, a built-in padded bust, and wide shoulder straps that lead to her open-back design with lace-up straps, a zipper closure, and bum ruching. Her form-fitting, A-line silhouette hugs your curves while the side slit accent lets you showcase some leg on the floor-length hem. The formal dress is composed of a luxe satin-stretch fabric with lining. Complete the look with an elegant hair comb to tame your tresses in style.
Fit & Features
- Sleeveless, plunging V-neckline, wide shoulder straps
- Open-back, lace-up straps, zipper and hook and eye closure, bum ruching
- Form-fitting, A-line silhouette
- Side slit accent, floor-length hem
- Satin-stretch fabric, lined
- No bra required, built-in padded bust
- Runs true to size
Style Number/Barcode: 05002-2401
Category Name: Formal Dresses
Price: $39.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Andie Halter Open Back Slit Satin Formal Dress
Special Occasion
The Andie satin formal dress is where elegance becomes effortless. Designed with a head-turning open back design and high front slit, this floor-length dress boasts plenty of allure!
With a smooth, luminous finish, this dress was made to shine. Keep the luxe look going with breathtaking satin prom dresses or go for a sophisticated statement with our wedding guest dresses.
Fit & Features
- Premium satin fabric
- Halter neckline with tie straps
- Open back design with cowl accent
- Form-hugging silhouette
- High front slit
- Floor-length hem
- Runs to true to size
Where to Wear:
Prom, charity galas, garden parties, black-tie weddings, bridesmaids, formal celebrations
Style Number/Barcode: 05002-9593
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: NAVY, RED
Available Size: XS, S, M, L
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Kayley Off-The-Shoulder Midi Formal Dress
Special Occasion
Effortless allure meets sculptural elegance on the Kayley formal midi dress, designed with a striking one-shoulder neckline and a twist-front bust that draws the eye. The sleek front slit adds just enough edge for your next RSVP-worthy moment.
Fit & Features
- Stretch satin fabric, smooth knit lining
- Off-the-shoulder neckline, padded bra cups
- Twist bust accent
- Back zipper and hook-eye closure
- Form-hugging fit, front slit
- Midi-length hem
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, engagement parties, bridal showers, bachelorettes, engagement photoshoots, baby showers, birthdays, date nights, black tie events, galas
Style Number/Barcode: 05001-000356
Category Name: Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: WHITE
Available Size: XS, S, M, L, XL
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Layci Formal High Slit Dress
Special Occasion
Create a memorable impression in our breathtaking Layci dress! She features a straight off-the-shoulder neckline with a fold-over accent and princess seams. Her slim-fit bodice leads to an elongating floor-length silhouette that is accented with a high side slit to showcase your glam heels! The dress is composed of a crepe fabric that offers a form-hugging fit with a moderate stretch. Complete the look with a sleek clutch.
Fit & Features
- Off-the-shoulder neckline, fold-over design
- Slim-fit bodice, princess seams
- Form-hugging silhouette
- Floor-length hem, high-cut slit
- Crepe fabric, sewn-in lining, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-6795
Category Name: Formal Dresses
Price: $19.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Eloise Satin V-Neck Halter Mermaid Formal Dress
Special Occasion
Sculpted to stun, the Eloise satin mermaid gown moves like liquid elegance with every step. Designed with a plunging halter V-neckline, it’s your secret weapon for that black-tie RSVP.
Fit & Features
- Satin fabric
- Halter V-neckline
- Back zipper closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Formal dances, weddings, black tie galas, formal celebrations, engagement parties, rehearsal dinners, fancy date nights, upscale birthday events
Style Number/Barcode: 05002-000050
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: BROWN
Available Size: XS, S, M, L, XL
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Cheryl Strapless Slit Mermaid Formal Dress
Special Occasion
Classy yet modern, the Cheryl strapless formal dress is the epitome of chic with a high slit for movement and a mermaid silhouette that accentuates your figure!
Fit & Features
- Smooth knit fabric lined with stretchy knit
- Strapless neckline, padded bra cups
- High front slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Homecoming, black-tie galas, weddings, formal celebrations, garden parties, cocktail soirees, engagement parties, rehearsal dinners
Style Number/Barcode: 05002-9582
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: COPPER, NAVY, PINK, RED, BROWN
Available Size: XS, S, M, L
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Becca Satin Lace-Up Ruched Mini Dress
Special Occasion
Bring the sultry vibes to your next party in our stunning Becca satin mini dress! She features a sleeveless, spaghetti strap bodice with a cowl neckline that creates a curvy appearance that leads to a strappy lace-up back with a tie closure so you can adjust the fit, sexy ruched detailing, and a mini length on her curve-hugging silhouette. Pair this dress with sleek hoop earrings and a chic clutch.
Fit & Features
- Cowl neckline, dual spaghetti straps
- Adhesive bra recommended
- Strappy lace-up back with tie closure
- Ruched detailing
- Short bodycon hem
- Satin knit fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05001-0499
Category Name: Formal Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Natalia One-Shoulder Cutout Slit Formal Dress
Special Occasion
Made for the spotlight and every slow turn toward the camera, the Natalia formal gown stuns with its form-hugging fit, sculpting side ruching, and bold one-shoulder neckline. A peek of skin through the side cutout and a high slit seal the look with just the right amount of drama.
Fit & Features
- Sheen knit fabric, smooth knit lining, moderate stretch
- One-shoulder neckline
- Side ruched seams
- Side cutout and high side slit
- Form-hugging silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, engagement parties, date nights, birthdays, dinner parties, cocktail soirees, black tie galas, red-carpet events
Style Number/Barcode: 05002-000274
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: HUNTER
Available Size: XS, S, M, L
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Celina Glitter Knit Mermaid Dress
Special Occasion
Turn heads and make a sparkly statement in the stunning Celina dress! She features a sleeveless cowl neckline, spaghetti straps that lead to a cross-back design, front ruched detailing, and a floor-length mermaid silhouette with a thigh-high slit. Complete the look with rhinestone statement earrings and chic heels.
Fit & Features
- Sleeveless cowl neckline
- Spaghetti straps, cross-back design
- Front ruching
- Floor-length mermaid silhouette, high front slit
- Curve-hugging fit
- Glitter knit fabric, short knit lining, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1718
Category Name: Formal Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Ayla Lace-Up Slit Mermaid Glitter Formal Dress
Special Occasion
Arrive in the sensational Ayla glitter formal dress to dazzle every partygoer! With a striking lace-up back and high side slit for effortless movement, this dress owns the spotlight.
Fit & Features
- Glitter knit fabric lined with stretchy knit
- Halter V-neck, padded bra cups
- Lace-up back, lower zipper and hook-eye closure
- High side slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
- Extra glitter for maximum sparkle - may have some natural fall out
Where to Wear:
Prom, black-tie parties, weddings, and red-carpet events.
Style Number/Barcode: 05002-9055
Category Name: Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: CHAMBRAY, GOLD, SAGE, RED, BLACK
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Live It Up Sequin Mini Dress
Hey babe, live it up and light up the dance floor in this stunning sequin mini dress! It features a sleeveless square neckline, bungee spaghetti straps, and a short, form-hugging silhouette. The sheer mesh fabric includes a full knit lining and has a chic all-over sequin scroll embroidered design. Complete the look with platform heels.
Fit & Features
- Sleeveless square neckline
- Bungee spaghetti straps
- Mini-length, form-fitting silhouette
- Sheer mesh fabric, knit lining, moderate stretch
- Sequin scroll embroidered design
- Runs true to size
Style Number/Barcode: 05101-1191
Category Name: Formal Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Amirah Formal Glitter Cowl Neck Column Dress
Special Occasion
Look your best for a fancy night in the stunning Amirah formal glitter dress! Fashioned with an eye-catching cross back, this dress will make you feel like the star of the evening with a high slit and floor-length column silhouette.
Fit & Features
- Glitter knit fabric, moderate stretch
- Sleeveless cowl neckline
- Spaghetti straps, cross back
- Side pleated seam, slim silhouette, high front slit
- Floor-length column silhouette
- Runs true to size
- Extra glitter for maximum sparkle - may have some natural fallout
Where to Wear:
Prom, black-tie weddings, galas, and upscale birthday events.
Style Number/Barcode: 05002-7563
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: RED, BLACK, BURGUNDY, HUNTER
Available Size: XS, S, M, L
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Jolina Wrap Skirt Satin Dress
Special Occasion
Show off your fab figure by slipping into our gorgeous Jolina! Her pretty sheen will have you radiating from every angle, making you look picture-perfect and camera-ready. She features a sleeveless wrap-front V-neckline and a floor-length wrap skirt creating an alluring front slit. Pair her up with some sparkling finishing touches so you can highlight that glow even more!
Fit & Features
- Surplice V-neckline, adjustable spaghetti straps
- Floor-length hem, wrap skirt design
- Front slit
- Lined luxe satin fabrication
- Form-hugging fit, moderate stretch
- Sticky or strapless bra recommended
- Runs true to size
Style Number/Barcode: 05002-2028
Category Name: Formal Dresses
Price: $14.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free