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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Jae Formal Mesh Ruched Mermaid Long Dress
Special Occasion
Play up your sophisticated side in the Jae formal mesh long dress that'll steal the scene! Designed with side ruched seams that accentuate your curves along the mermaid silhouette that flares out into the floor-length hem.
Fit & Features
- Airy mesh fabric, full stretchy knit lining
- Sleeveless cowl neckline, tie straps
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Side ruched seams, mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, black-tie parties, and fancy rehearsal dinners.
Style Number/Barcode: 05002-7822
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: RED, LIME, PINK, BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Best Seller
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Arabella High Slit Cowl Neck Dress
Special Occasion
Radiate elegance in this long formal dress made with a high-shine, smooth fabric. Designed to hug your curves, this floor-length bodycon dress accentuates an hourglass figure for a simply irresistible look. A sultry side slit elegantly elongates the legs, while the dress impresses from every angle with its low-back design. The flattering cowl neckline at the front creates the perfect display for a sparkly rhinestone necklace so your gorgeous selfies pop and shine.
Fits & Features
- Sleeveless cowl neckline, spaghetti straps, cross at back
- A-line silhouette, ruched detailing
- High side slit
- Smooth knit fabric
- Form-hugging fit, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-3001
Category Name: Formal Dresses
Price: $29.97 $46.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Jenn V-Neck Strappy Back Slit Long Formal Dress
Special Occasion
This sleeveless formal dress brings allure featuring a V-neckline and a strappy back design. The form-hugging bodycon silhouette showcases a high side slit along the floor-length hem on smooth-lined knit fabric.
Fit & Features
- Smooth knit fabric, stretchy knit lining
- V-neckline
- Strappy back design
- High side slit
- Bodycon silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, anniversaries, fancy milestone celebrations
Style Number/Barcode: 05002-9630
Category Name: Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: BLACK, BROWN, ROYAL, OLIVE, RED
Available Size: XS, S, M, L, XL
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Valencia Formal Off-The-Shoulder Wrap Dress
Special Occasion
Keep it sophisticated with a formal long dress that creates a moment to remember! Valencia features an off-the-shoulder neckline with a sweetheart bust, arm cuffs, and a mermaid silhouette with a wrap hem, and pleating. The maxi dress is composed of a form-hugging smooth satin knit fabric that offers a minimal stretch. Complete your dressy outfit with rhinestone heels and door-knocker earrings.
Fit & Features
- Off-the-shoulder neck, sweetheart bust, arm cuffs
- Lightly padded cups, strapless or sticky bra recommended
- Pleated empire waist, form-hugging
- Mermaid wrap silhouette
- High-cut front slit, floor-length hem
- Silky satin fabric, lined, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-7492
Category Name: Formal Dresses
Price: $24.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Gwendolyn Glitter Knit Bow-Back Mermaid Dress
Special Occasion
The Gwendolyn glitter knit bow-back mermaid dress will have you sparkling up the night with a glamorous allure! Make your entrance in this floor-length gown designed to turn heads with a curve-flaunting mermaid fit and backless design.
Fit & Features
- Glitter knit fabric, moderate stretch
- Square neckline, spaghetti straps
- Backless design, high waist seam
- Bow-back accent, floor-length train
- Floor-sweeping hem, mermaid silhouette
- Runs true to size
- Extra glitter for maximum sparkle - may have some natural fallout
Where to Wear:
Weddings, black tie galas, formal dances, big birthday events, rehearsal dinners, engagement parties, red carpet occasions, upscale glam parties
Style Number/Barcode: 05002-7226
Category Name: Formal Dresses
Price: $84.90
Availability: In Stock
Available Color: BLACK, PINK, MAUVE-2
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Dara Cutout Slit Satin Midi Formal Dress
Special Occasion
The Dara formal dress turns heads with its satin bodycon silhouette and statement details! A sleek cowl neckline meets a daring cutout back, while a front ruched seam and thigh-high slit bring all the drama your RSVP demands.
Fit & Features
- Stretch satin fabric, sewn-in knit lining, moderate stretch
- Cowl neckline, padded bra cups
- Wide shoulder straps
- Cutout back, hook strap, lower zipper and hook-eye closure
- Front ruched seam and slit
- Bodycon silhouette, midi-length hem
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, engagement parties, shower celebrations, date nights, cocktail parties, dinner parties, birthdays, photoshoots, Vegas, bachelorettes
Style Number/Barcode: 05001-000352
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: BURGUNDY, WHITE, BLACK
Available Size: XS, S, M, L, XL
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Abigail Ruched Satin Mermaid Dress
Special Occasion
Get a stunning look in the gorgeous and chic Abigail mermaid dress! She features a sleeveless bodice, adjustable spaghetti straps that lead to a cross-back design, a V-neckline, and a sheer lace back panel with zipper closure. Her high waist leads to a curve-hugging mermaid silhouette with a floor-length skirt, front ruched detailing, and a thigh-high front slit. Pair the sleek satin dress with a rhinestone collar necklace and strappy heels.
Fit & Features
- Sleeveless V-neckline, adjustable spaghetti straps
- Back zipper and hook and eye closure, sheer lace panel, cross straps
- Ruched detailing on bodice and waist, thigh-high slit
- Form-fitting long hem, mermaid silhouette
- Luxe satin knit fabrication
- Form-hugging fit, moderate stretch
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-1198
Category Name: Formal Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kaylie V-Neck Bodycon Sequin Bead Formal Dress
Special Occasion
Designed to dazzle, the Kaylie sequin bead formal dress is ultra glamorous and ready to have a picture taken! Strut looking fabulous in the flattering bodycon silhouette that effortlessly flares into a floor-length hem for drama.
Fit & Features
- Sequin bead embellishments, mesh fabric, stretch knit lining
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Bodycon silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, black tie galas, big birthday events, red-carpet functions, fancy dinner parties
Style Number/Barcode: 05002-9589
Category Name: Formal Dresses
Price: $159.90
Availability: In Stock
Available Color: YELLOW
Available Size: S, M
Product Badge:- Ships Free
- Sequin bead embellishments, mesh fabric, stretch knit lining
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Cindy Beaded Strapless Column Formal Dress
Special Occasion
Waltz into the party in the Cindy beaded formal dress for a stunning look! The formal floor-length dress is designed with a strapless cowl neckline that shapes the fitted column silhouette showcasing a high front slit.
Flawlessly chic and bold, this dress is a statement. If strapless styles are your go-to, explore our strapless prom dresses or embrace effortless fashion with our formal dresses.
Fit & Features
- Beaded embellished mesh fabric, stretchy knit lining
- Strapless cowl neckline, padded bra cups
- Back zipper with hook-eye closure
- Column silhouette
- High front slit
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, galas, and formal parties.
Style Number/Barcode: 05002-9077
Category Name: Formal Dresses
Price: $159.90
Availability: In Stock
Available Color: LAVENDER, LIGHT, BLUE, YELLOW, PINK
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Janie Formal One Shoulder Dress
Special Occasion
Bring the elegance in our Janie dress that reflects glamour for your next special evening. She features a sleek one-shoulder neckline, a ruched bodice, a high waist seam, and a floor-length skirt with a sexy high side slit and ruched detailing. The dress is composed of a comfortable knit fabric with a moderate stretch. Complete your stunning evening outfit with rhinestone earrings and strappy stiletto heels.
Fit & Features
- One-shoulder neckline | Tank strap
- Adhesive bra recommended
- High side slit with ruched seam
- Floor-length silhouette
- Sleek knit lined fabric
- Fits true to size | Moderate stretch
Style Number/Barcode: 05002-1020
Category Name: Formal Dresses
Price: $19.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Julietta One Shoulder Mermaid Formal Dress
Special Occasion
Radiate elegance and modern style in the Julietta formal dress to make a memorable statement. The gown boasts a sleek one-shoulder design and a tasteful cutout that contours your silhouette with a flattering mermaid fit.
Fit & Features
- Smooth knit fabric, stretchy knit lining
- One-shoulder neckline
- Side cutout with attached sash
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, formal events, cocktail soirees, big birthday celebrations, engagement parties, rehearsal dinners
Style Number/Barcode: 05002-000124
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: BLACK, BROWN
Available Size: XS, S, M, L
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Rashida Lattice Back Glitter Dress
Special Occasion
Catch the light when you take our dazzling Rashida mini for a twirl! She features a sleeveless V-neckline, lightly padded cups, a double-row of spaghetti straps, a lace-up back design, and a skater silhouette. The short dress is composed of a lined glitter woven fabric that offers a form-hugging fit with a moderate stretch. Style the mini dress with rhinestone heels.
Fits & Features
- Sleeveless V-neckline, lightly padded cups
- Lattice-tie back
- Lower back hook and eye closure with zipper
- Swingy, A-line skater skirt
- Glitter knit material, fully lined
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05001-0083
Category Name: Formal Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Belinda Off-The-Shoulder Slit Satin Formal Dress
Special Occasion
A spellbinding choice for dreamy occasions, the Belinda off-the-shoulder satin formal dress casts a spell of beauty with a form-hugging fit and front wrap slit that brings allure to your night!
Fit & Features
- Stretch satin fabric, bust knit lining
- Off-the-shoulder pleated neckline, padded bra cups
- Back zipper and hook-eye closure
- Form-hugging silhouette
- Front wrap slit, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, romantic date nights, glam dinner parties, and formal events.
Style Number/Barcode: 05002-9109
Category Name: Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: DENIM, BLACK
Available Size: XS, S, M, L, XL
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Nala Cowl Neck Satin Dress
Special Occasion
Cue the fireworks, you're here to make an entrance in the stunning Nala formal dress! She features a sleeveless bodice with a trendy cowl neckline, spaghetti straps, a high waist seam to elongate your silhouette, and a floor-length mermaid fit that will hug your curves. The sleek satin fabric offers plenty of stretch. Complete your gorgeous going-out look with strappy heels and a chic clutch.
Fit & Features
- Cowl neckline, spaghetti straps
- Strapless or adhesive bra recommended
- High waist seam
- Mermaid floor-length silhouette
- Luxe satin fabric
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-0700
Category Name: Formal Dresses
Price: $19.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Jamie Lace-Up Satin Formal Column Dress
Special Occasion
Dare to stun in the Jamie satin formal dress crafted with silky satin fabric for a gorgeous sheen. The bold plunge halter neckline and open lace-up back will turn heads while the fitted column silhouette flaunts your curves.
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
- Silky satin fabric, short knit stretchy lining
- Plunge halter V-neckline, shoulder straps, padded bra cups
- Lace-up open back, lower zipper with hook-eye closure
- High side slit
- Fitted column silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, galas, and black-tie soirees.
Style Number/Barcode: 05002-9061
Category Name: Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: RED, IVORY
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Linda Formal Glitter Ruffled Dress
Special Occasion
Bring the sparkle with a formal dress that brings the glitz! The dress features a sleeveless V-neckline with adjustable spaghetti straps, an alluring open back with criss-cross straps, and a bow accent that sits atop cascading ruffles on a mermaid silhouette. The dress is composed of lined glitter knit fabric that offers a form-hugging fit with minimal stretch. Complete the look with glitter mesh heels.
Fit & Features
- Sleeveless V-neckline, sticky bra recommended
- Adjustable spaghetti straps, criss-cross back
- Cascading ruffles with bow
- Mermaid silhouette
- Lined glitter knit fabric
- Form-hugging fit, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-6801
Category Name: Formal Dresses
Price: $9.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Tess Floral Off-The-Shoulder Formal Dress
Special Occasion
Bloom with spellbinding beauty in the Tess floral formal dress! This floral mesh gown brings all the elegance with an off-the-shoulder neckline, mermaid silhouette that flaunts your curves, and leg-baring slit.
Fit & Features
- Floral print, mesh fabric, stretchy knit lining
- Off-the-shoulder neckline, short-sleeve cuffs
- Back zipper and hook-eye closure
- Mermaid silhouette
- High front slit
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, garden parties, summer galas, black tie events, vacation, fancy date nights, dinner parties
Style Number/Barcode: 05002-000009
Category Name: Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: PURPLE
Available Size: XS, S, L
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Lennox Formal One-Shoulder Satin Mini Dress
Special Occasion
Step out looking sophisticated in a formal dress that radiates luxe. Lennox features a one-shoulder neckline with a sleek spaghetti strap, ruching, and an asymmetrical mini-length silhouette. The dress is composed of a stretch satin fabric that offers a form-hugging fit with a moderate stretch. Complete look with rhinestone heels.
Fit & Features
- One-shoulder neckline, adjustable spaghetti strap
- Back zipper and hook and eye closure
- Ruching detail
- Asymmetrical mini-length silhouette
- Stretch satin fabric, knit lining
- Form-hugging fit
- Runs true to size
Style Number/Barcode: 05001-0685
Category Name: Formal Dresses
Price: $29.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kimber High Slit Floral Sequin Mermaid Dress
Special Occasion
Create an enchanting aura in the Kimber floral sequin mermaid dress for prom, weddings, or galas! Showcase your gorgeous curves on the floor-sweeping mermaid silhouette, detailed with an alluring high-cut front slit.
All eyes are on you in this radiant dress. If sparkle is your signature, discover stunning sequin prom dresses or opt for effortless sophistication with our eye-catching formal dresses.
Fit & Features
- Sheer mesh fabric with knit lining, moderate stretch
- Sequin embroidered floral pattern
- Square neckline, adjustable spaghetti straps
- Padded bra cups
- High waist seam, back zipper and hook-eye closure
- High front slit, mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, galas, award ceremonies, fancy milestone celebrations, birthdays
Style Number/Barcode: 05002-8041
Category Name: Formal Dresses
Price: $49.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Cordella Sweetheart Mermaid Sit Satin Formal Dress
Special Occasion
From the chiffon flutter sleeves to the high front slit, the Cordella satin formal dress showcases your beauty and curves in a mermaid silhouette!
Fit & Features
- Stretch satin fabric, sewn-in stretchy knit lining
- Chiffon flutter sleeves
- Chiffon sweetheart neckline, padded bra cups
- Back zipper and hook-eye closure
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, black tie galas and events, engagement parties, nights at the opera and theatre, cocktail soirees
Style Number/Barcode: 05002-9450
Category Name: Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: MAUVE, NAVY
Available Size: XS, S, M, L
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Lyla Formal One-Shoulder Sequin Dress
Special Occasion
Bring the sparkle to your prom with a prom dress that radiates stunning allure! The Lyla features a one-shoulder neckline, a supportive tank strap with bungee straps at the back, and a sexy high side slit showing off some leg on the elongating A-line silhouette. She's composed of a lined sequin fabric that offers a form-hugging fit with slight stretch. Complete the look with rhinestone heels and a glitter clutch.
Fit & Features
- One-shoulder neckline, padded cups
- Tank strap with bungee straps at back
- High side slit, A-line silhouette
- Sequin-lined fabric
- Form hugging fit, slight stretch
- Runs true to size
Style Number/Barcode: 05002-1286
Category Name: Formal Dresses
Price: $9.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Gabby Formal Mesh Strapless Ruffle Long Dress
Special Occasion
The Gabby formal long dress gives an aurora of dreamy romance with flirty ruffles, a high side slit for movement, and a form-hugging silhouette.
Unapologetically bold, this dress is all about confidence. Keep the luxe look going with our stunning strapless prom dresses or discover the perfect fit among our stylish wedding guest dresses.
Fit & Features
- Mesh-lined fabric, moderate stretch
- Strapless neckline, non-slip grip lining
- Side zipper and hook-eye closure
- Asymmetrical ruffle trim throughout
- Form-hugging silhouette, high side slit
- Runs true to size
Where to Wear:
Formal dances, weddings, bridesmaids, garden parties, fancy dates, black tie galas, big birthday events, anniversaries, engagement parties, rehearsal dinners
Style Number/Barcode: 05002-7801
Category Name: Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: PINK, YELLOW, BROWN
Available Size: XS, S, M, L
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Mayven One-Shoulder Cutout Slit Formal Dress
Special Occasion
The Mayven formal dress brings sultry, sophistication to every event! She features a one-shoulder strap design with an alluring neck cutout detail on the fitted bodice. The empire waist flows into her floor-length silhouette and flaunts some skin with a sexy high-cut slit. Composed of a crepe knit fabric with a moderate stretch. Create the perfect look in this long dress with lace-up heels and a sparkly necklace.
Fit & Features
- One-shoulder strap design, neck cutout detail
- Empire waist, high-cut slit
- Floor-length hem
- Lined crepe knit fabric
- Form-hugging fit, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-1881
Category Name: Formal Dresses
Price: $9.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Lucena Convertible Mermaid Formal Dress
Special Occasion
The Lucena mermaid formal dress offers endless styling options to suit your mood for any formal occasion! The dress boasts a convertible style neckline that can be worn as a halter, one shoulder, and more plus has a high front slit for effortless movement.
Fit & Features
- Smooth knit lined fabric
- Convertible neckline with straps
- High front slit
- Mermaid silhouette
- Floor-length hem
- Multiple styling options
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, black-tie gala, fancy dinner parties, formal occasions and events
Style Number/Barcode: 05002-000066
Category Name: Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: BROWN-2, BLACK-2
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free