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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Lola High Slit Satin Dress
Special Occasion
Make a stunning entrance at your next formal affair in the Lola high slit satin dress. This luxurious floor-length dress features a sleeveless cowl neckline, a floor-sweeping silhouette with a sultry high side slit to elongate your legs, and a form-hugging fit. Perfect for weddings, black-tie events, or school dances.
This dress is the perfect pick for Prom 2025! Not exactly your style? You’ll love other prom dresses.
Fit & Features
- Stretchy satin fabric, non-see-through
- Cowl neckline
- Spaghetti straps
- Slim-fit bodice
- High side slit for an alluring look
- Floor-length form-hugging silhouette
- Style runs small
Style Number/Barcode: 05002-1118
Category Name: Formal Dresses
Price: $9.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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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: 05002-000199
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: LIGHT, BLUE, NAVY, RED
Available Size: S, M, XS, L
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Beverly Halter Slit Long Formal Dress
Special Occasion
It's the minimalistic-chic style and curve-creating silhouette that makes the Beverly formal dress so special! Its cowl halter neckline exudes elegance while the form-hugging fit accentuates your curves and shows skin with the side slit accent.
Fit & Features
- Smooth knit fabric, stretchy knit lining
- Halter cowl neckline with tie straps
- Padded bra cups
- Form-hugging silhouette
- Side slit accent
- Long-length hem
- Runs true to size
Where to Wear:
Weddings, birthdays, black tie galas, formal dinner parties, milestone celebrations, engagement parties, rehearsal dinners, date night, cocktail soirees, garden parties
Style Number/Barcode: 05002-000268
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: PINK, BURGUNDY
Available Size: S, M, L, XL, XS
Product Badge:- Best Seller
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Morgan Formal Flocked Velvet Dress
Special Occasion
Enchant in this long tulle formal dress featuring a sultry plunge V-neckline and empire waist that leads to dual high front slits along the sweeping floor-length silhouette. Perfect for weddings or black tie soirees.
Fit& Features
- Floral flocked velvet, semi-sheer mesh with lining
- Plunge V-neckline, adjustable spaghetti straps, cross-back design
- High front slits, pleat details, back zipper, hook and eye closure
- Empire waist
- Sweeping floor-length silhouette
- Runs true to size
Style Number/Barcode: 05002-6274
Category Name: Formal Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Bonnie Ruched Mesh Mermaid Dress
Special Occasion
The Bonnie formal dress is made for your best-dressed entrance—sleek, sculpted, and softly dramatic. With ruched mesh fabric, a draped sweetheart neckline, and a floor-grazing mermaid train, it delivers instant polish with just the right amount of allure to look unforgettable.
Fit & Features
- Sheer mesh fabric with full-length knit lining, high stretch
- Sleeveless sweetheart neckline, padded bust, draped design
- Adjustable spaghetti straps
- Back zipper with hook-eye closure
- Ruching
- Floor-length mermaid silhouette with a train
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, black-tie parties, galas, and formal celebrations.
Style Number/Barcode: 05002-000197
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S, M, L
Product Badge:- Best Seller
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Tiffany Sleeveless High Slit Formal Dress
Special Occasion
Keep your night-out look chic and on point in this stunning sleeveless formal dress featuring a flattering cross back design, high side ruffled slit, and an A-line silhouette. Perfect for semi-formal and special occasions.
Shop Crepe Midi Version: Add Some Flair Ruffle Detail Midi Dress
Shop Satin Midi Version: Ravishing Ruffles High Slit Midi Dress
This dress is all about movement and flair. Want more standout designs? Discover our eye-catching ruffle prom dresses or embrace an elevated style with our guest dresses.
Fit & Features
- Lined crepe fabric, moderate stretch
- Sleeveless square neckline
- Spaghetti straps, cross-back design
- High side slit, ruffle detailing
- A-line form-hugging silhouette
- Runs true to size
Style Number/Barcode: 05002-1239
Category Name: Formal Dresses
Price: $29.97 $45.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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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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Juliane Strappy Back Mermaid Formal Dress
Special Occasion
The Juliane formal dress drapes your figure in a mermaid silhouette while the strappy open back turns heads!
Fit & Features
- Smooth knit fabric, stretchy knit lining
- Halter V-neckline, padded bra cups
- Wide shoulder straps
- Dual tie-back closures, open back
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Formal dances, weddings, bridesmaids, gala dinners, engagement parties, rehearsal dinners, fancy date nights, black tie events
Style Number/Barcode: 05002-9695
Category Name: Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: RUST, NAVY, HUNTER, RED, YELLOW
Available Size: XS, S, M, L, XL
Product Badge:- Best Seller
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Kaleigh Off Shoulder Dress
Special Occasion
Turn heads in this sexy, off-the-shoulder formal dress. Draped to perfection, the silky-smooth knit fabric elegantly wraps around your shoulders and hugs your body's curves, accentuating an hourglass figure. This stunning, floor-length gown strikes the perfect balance between sophistication and allure, with its sculptural ruched detailing and bold, thigh-high slit. Style this captivating dress with strappy heels and a sleek satin clutch for an unforgettable evening look.
Fit & Features
- Asymmetrical off-the-shoulder neckline
- Ruched side detailing
- High side slit
- Form-hugging fit
- Smooth knit fabric, plenty of stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-6571
Category Name: Formal Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
- Asymmetrical off-the-shoulder neckline
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Myra Formal High Slit Dress
Special Occasion
The Myra formal dress brings all the luxe, elevating your evening with timeless elegance! The long formal dress features a sweetheart neck with a built-in padded bust that offers support to her flattering, off-the-shoulder neckline with short-sleeve cuffs. The flattering, relaxed fit bodice leads to a curve-hugging floor-length mermaid silhouette that is accented with a sexy high side slit. Complete your captivating formal outfit with dazzling duster earrings and open-toe heels.
Fit & Features
- Off-shoulder neckline, short-sleeve cuffs
- Sweetheart neck, built-in padded bust
- Back zipper, hook-eye closure
- Floor-length A-line silhouette
- High side slit
- Lined crepe fabric
- Curve-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2403
Category Name: Formal Dresses
Price: $9.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Gabriella Floral Embroidered Tie Back Formal Dress
Special Occasion
For those moments when only unforgettable will do, the Gabriella formal dress is a vision in floral embroidered mesh, made to glide with you. Its curve-hugging silhouette, high front slit, and delicate tie-back detail bring soft drama with every step.
Fit & Features
- Floral embroidered, mesh fabric, stretch knit lining
- Sweetheart neckline, padded bra cups
- Adjustable spaghetti straps
- Tie-back, lower zipper and hook-eye closure
- High front slit
- Curve-hugging, floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, galas, black tie events, bridal showers, engagement parties, rehearsal dinners, fancy date nights, birthday dinners, milestone events
Style Number/Barcode: 05002-000183
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: PINK, NAVY
Available Size: XS, S, M, L, XL
Product Badge:- New Arrival
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Josephine Corset Ruffle Velvet Mesh Formal Dress
Special Occasion
Designed for the kind of night that lingers in memory, the Josephine velvet mesh gown pairs a sculpted corset bodice with a form-hugging silhouette and a high ruffled slit made for a slow-turn entrance.
Fit & Features
- Burnout velvet pattern, mesh fabric, sewn-in knit lining
- Sweetheart neckline, padded bra cups
- Wide shoulder straps, back zipper and hook-eye closure
- Corset bodice, flexible boning
- High front ruffled slit
- Form-hugging silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, rehearsal dinners, engagement parties, red carpet occasions, fancy date nights, big milestone celebrations, anniversaries, award nights, formal soirees
Style Number/Barcode: 05002-9598
Category Name: Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Elisabeth Pleated Tulle Formal Dress
Special Occasion
Dress as the princess you are with our breathtaking Elisabeth dress! She is a floor-length evening gown with a plunging V-neckline and thin adjustable straps that create a cross-back design. Her wide empire waist leads to a floor-length skirt that dances around your ankles. She is composed of pleated tulle fabric with a sheer appearance and a thin knit lining that features two front slits. Elisabeth offers a moderate stretch and includes a hidden zipper. Complete the look with a rhinestone clutch and a dainty rhinestone bracelet.Fit & Features
- Sleeveless V-neckline, adjustable spaghetti straps
- Cross-back straps
- Empire waist, two high-front slits
- Floor-length silhouette
- Lined tulle fabric
- Flowy fit, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-4997
Category Name: Formal Dresses
Price: $9.97 $36.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Arial Open Back Mermaid Formal Dress
Special Occasion
Made for jaw-dropping arrivals, the Arial formal dress sculpts and stuns in smooth knit with a one-shoulder neckline, ruched detailing, and a striking open back twist. Its mermaid silhouette and floor-length hem bring full-glam drama—no effort required.
Fit & Features
- Smooth knit fabric with lining, moderate stretch
- One-shoulder neckline
- Side ruched seams
- Open back with twist detail
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, black tie galas, rehearsal dinners, engagement parties, anniversaries, formal soirees, nights at the opera or theatre, red carpet occasions
Style Number/Barcode: 05002-000371
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
Product Badge:- New Arrival
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Lola Formal High Slit Glitzy Glitter Dress
Special Occasion
Flaunt your glam style in the fabulous Lola high slit glitter dress! She features a trendy cowl neckline with a slim-fit bodice, a floor-sweeping silhouette with a sultry high side slit to elongate your legs, and a form-hugging fit. She is composed of glitzy glitter knit fabric that offers a curve-hugging fit with a moderate stretch. Pair this gorgeous long dress with a sleek ring set to add some glamour to your look for your special occasion.
Fit & Features
- Cowl neckline, spaghetti straps
- Slim-fit bodice, form-hugging fit
- Floor-length silhouette
- Thigh-high side slit
- Glitter knit fabric, mini-length inner knit lining, moderate stretch
- Sticky bra recommended
- Runs true to size
The saturation of glitter varies. Glitter may transfer.
Style Number/Barcode: 05002-1397
Category Name: Formal Dresses
Price: $14.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Eileen Floral Strapless Mermaid Formal Dress
Special Occasion
The gorgeous Eileen floral formal dress will have everyone swooning for you! With its luxe cowl neckline and figure-hugging mermaid silhouette, this floor-length gown elevates your natural beauty with every step.
Fit & Features
- Floral print, smooth knit fabric, stretchy knit lining
- Strapless cowl neckline, padded bra cups
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, garden parties, summer galas, black tie events, rooftop dinner parties, rehearsal dinner, anniversaries, fancy shower celebrations
Style Number/Barcode: 05002-000153
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: MAUVE
Available Size: XS, S, M, L
Product Badge:- New Arrival
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Juliet Formal High Slit Dress
Special Occasion
Radiate effortless elegance in our sophisticated satin Juliet gown! She features adjustable spaghetti straps, a V-neck seamed bodice with light padding at bust, a high-seam waist, and a long, gently pleated A-line skirt with pockets at either hip and a dramatic center front slit. Juliet is fully lined and made from a smooth, shiny satin-like woven fabric with a touch of stretch. Pair this beautiful dress with a shimmering rhinestone necklace for a glamorous look.
Shop Juliet In More Colors: Juliet Formal High Slit Dress 2
Fit & Features
- Lined satin-like woven fabric, slight stretch
- V-neckline with padded cups
- Adjustable spaghetti straps
- Fitted high waist, hidden side pockets
- Elongated floor-length silhouette with high side slit
- A-line fit
- Runs true to size
Style Number/Barcode: 05002-3332
Category Name: Formal Dresses
Price: $9.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Allison Off-The-Shoulder Mermaid Formal Dress
Special Occasion
Made for the spotlight and sculpted to stun, the Allison gown is your red carpet moment. Crafted from curve-hugging mesh with allover ruching and an elegant off-shoulder neckline, this mermaid dress brings just the right amount of drama.
Fit & Features
- Mesh-lined fabric, moderate stretch
- Off-the-shoulder neckline
- Ruched mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, rehearsal dinners, engagement parties, formal celebrations, fancy date nights, red carpet occasions, glam soirees
Style Number/Barcode: 05002-000147
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: RUST
Available Size: XS, S, M, L
Product Badge:- New Arrival
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Sonya Satin Dress
Special Occasion
Slay the night away in our beautiful Sonya satin skater dress! She features a sleeveless square neckline with a built-in padded bust for support, adjustable spaghetti straps, and a cross-back lace-up design that lets you adjust the fit. Her short skater skirt is flowy enough to make some dance moves tonight! The short dress is composed of a satin-like woven fabric fabric that has a very flattering finish. Style this dress with sparkling earrings and classic block heels.
Fit & Features
- Square neckline, front padding, adjustable spaghetti straps
- Criss-cross back design, tie closure
- Empire waist, back elastic waistband, side pockets
- Short fit and flare silhouette
- Luxe satin woven fabric, lightweight woven lining, no stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05001-0333
Category Name: Formal Dresses
Price: $9.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Amelia Lace-Up Mermaid Formal Dress
Special Occasion
Sleek, sculpted, and made for a jaw-dropping entrance—the luxe Amelia mermaid gown glides over your curves before fanning into a soft train. The lace-up back adds a sultry, adjustable fit that’s pure spotlight appeal.
Fit & Features
- Sleek knit fabric with subtle sheen with stretch
- V-neckline
- Dual spaghetti straps
- Lace-up back
- Ruched mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, military balls, rehearsal dinners, engagement parties, fancy date nights, big birthday events, milestone celebrations
Style Number/Barcode: 05002-000131
Category Name: Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: WINE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Lillyanne Formal Satin Asymmetrical Midi Dress
Special Occasion
Enchant them all with the captivating Lillyanne formal midi dress! She features a sleeveless bodice, a trendy cowl neckline, adjustable spaghetti straps for a customized fit, and a strappy cross-back design. Her high waist seam elongates your silhouette and leads to a mid-length skirt with an asymmetrical wrap hem creating a front slit. The midi dress is composed of a satin fabric that offers a curve-hugging fit with a moderate stretch. Complete the look with clear heels and a sleek satin clutch.
Fit & Features
- Sleeveless cowl neckline, adjustable spaghetti straps
- Strappy cross-back design
- Asymmetrical wrap skirt, back zipper closure
- High waist seam, midi-length hem
- Lined satin fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05001-0807
Category Name: Formal Dresses
Price: $29.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Liliana Corset Mermaid Formal Dress
Special Occasion
The sleek Liliana knit gown sculpts every curve with a strapless twist corset bodice and a dramatic mermaid silhouette. The floor-length hem flares softly for a finish that’s equal parts timeless and alluring.
Fit & Features
- Sleek knit fabric, stretchy knit lining
- Strapless sweetheart twist neckline, no-slip grip lining, padded bra cups
- Back zipper and hook-eye closure
- Corset bodice, flexible boning inserts
- Contoured mermaid silhouette
- Floor-length hem with flared design
- Runs true to size
Where to Wear:
Weddings, black tie galas, charity events, red carpet occasions, fancy date nights, formal parties, rehearsal dinners, big milestone celebrations, dressed-up birthdays
Style Number/Barcode: 05002-000222
Category Name: Formal Dresses
Price: $84.90
Availability: In Stock
Available Color: BROWN
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Iris One-Shoulder Crepe Dress
Special Occasion
The lovely Iris long formal dress will set the tone for elegance! Captivate any room you walk into! She features a one-shoulder strap design, a padded bust for support, and a curve-hugging wrap skirt with a sexy high slit. The floor-length silhouette elongates your figure on crepe fabric with a moderate stretch. Complete your stunning look in this long dress with dangly earrings and statement heels.
Fit & Features
- Sleeveless bodice, one-shoulder strap
- Built-in padded bust, no bra required
- Floor-length silhouette, curve-hugging wrap skirt
- High-cut slit
- Slip-on/off styling
- Crepe fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1799
Category Name: Formal Dresses
Price: $19.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Rylee Floral Slit Mermaid Formal Dress
Special Occasion
The Rylee floral mesh gown skims your curves with artful ruching and a daring thigh-high slit. The strapless neckline and mermaid silhouette make it a flawless pick for any occasion where the dress code is “unforgettable.”
Fit & Features
- Floral print, mesh-lined fabric
- Strapless neckline
- High front slit
- Ruched mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Bridal celebrations, date nights, anniversaries, black tie galas, dinner parties, birthdays, big milestone celebrations
Style Number/Barcode: 05002-000520
Category Name: Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: NUDE
Available Size: S, M, L
Product Badge:- Ships Free