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.
HomeFormal Dresses

Product Recommendations
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!
-
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
-
Melanie Floral Velvet Lace-Up Formal Dress
Special Occasion
Meet the dress that owns the room—the Melanie stuns in plush velvet with a flocked floral pattern, a curve-hugging silhouette, and a lace-up back made for your next big entrance.
Fit & Features
- Flocked floral pattern, velvet mesh fabric, stretchy knit lining
- Cowl neckline
- Adjustable spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- High front slit
- Curve-hugging silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, garden parties, engagement parties, black tie galas, formal celebrations, date nights, cocktail soirees
Style Number/Barcode: 05002-9096
Category Name: Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: HUNTER, WINE
Available Size: XS, S, M, L, XL
Product Badge:- Best Seller
-
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
-
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
-
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
Available Size: XS, S, M, L
Product Badge:- Best Seller
-
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
-
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, XL
Product Badge:- Best Seller
-
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
-
Kaia Strapless High Slit Formal Dress
Special Occasion
Embrace the timeless beauty of this strapless crepe formal dress with an alluring high-side slit and corset bodice. The ruched details at the side artfully wrap around the waist to help accentuate an hourglass figure that flows gracefully to the floor.
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
- Crepe fabric, moderate stretch
- Strapless neckline
- Faux wrap-front overlay, front boning detail
- Back zipper closure
- High waist seam
- Floor-length, slim fit with a high front slit
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, fancy dinner parties
Style Number/Barcode: 05002-1204
Category Name: Formal Dresses
Price: $64.90
Availability: Out of Stock
Product Badge:- Ships Free
-
Kailany Floral Ruffle Slit Formal Dress
Special Occasion
Let the Kailany charm you with beautiful, cascading ruffles and a delicate floral print while the high side slit offers an alluring show of leg along the floor-length silhouette.
Fit & Features
- Floral print, airy mesh fabric, smooth knit stretchy lining
- Strapless neckline
- Hidden side zipper and hook-eye closure
- Cascading ruffles
- High side slit
- Form-hugging silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, bridal showers, garden parties, birthdays, date nights, engagement photoshoots, baby showers, dressy brunches, milestone celebrations, dinner parties
Style Number/Barcode: 05002-000305
Category Name: Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: BLUE
Available Size: XS, S, M, L, XL
Product Badge:- New Arrival
-
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
-
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, XL
-
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, XL
-
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, L
-
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
-
Jane Satin Lace-Up Midi Formal Dress
Special Occasion
Designed to linger in their memory long after the last toast, the Jane satin bodycon midi dress glides with intention—finished with a sultry slit and lace-up back that feels both refined and just a little risqué.
Fit & Features
- Stretch satin fabric, knit lining
- Sweetheart neckline, padded bra cups
- Wide shoulder straps
- Lace-up back, lower zipper and hook-eye closure
- Bodycon silhouette
- Front slit, midi-length hem
- Runs true to size
Where to Wear:
Homecoming, weddings, rehearsal dinners, engagement parties, date night, birthdays, black tie galas, dinner parties, cocktail soirees
Style Number/Barcode: 05001-000223
Category Name: Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: BROWN, NAVY
Available Size: XS, S, M, L, XL
Product Badge:- New Arrival
-
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
-
Gwen Glitter Corset Mermaid Formal Dress
Special Occasion
Designed to catch every eye in the room, the Gwen floor-length glitter gown balances structure and shimmer with a sculpted corset bodice and a high front wrap slit. The mermaid silhouette ensures a striking exit to match your entrance.
Fit & Features
- Glitter fabric, stretchy knit lining
- Sweetheart neckline, adjustable spaghetti straps
- Padded bra cups
- Corset bodice, flexible boning, back zipper and hook-eye closure
- High front wrap slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, red carpet events, big milestone celebrations, engagement parties, rehearsal dinners, ceremonies, receptions, award shows
Style Number/Barcode: 05002-000128
Category Name: Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
-
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
-
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, L, XL
-
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
-
Kendal Lace Mermaid Formal Dress
Special Occasion
Designed to turn every entrance into a moment, the Kendal floor-length mermaid dress stuns in delicate lace with a soft cowl neckline and dramatic lace-up back. The silhouette skims and sculpts, offering just the right amount of allure.
Fit & Features
- Lace fabric, knit lining, moderate stretch
- Cowl neckline, padded bra cups
- Spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- Mermaid silhouette
- Flared floor-length hem
- Runs true to size
Where to Wear:
Weddings, brides, rehearsal dinners, engagement parties and photoshoots, black tie galas, fancy date nights, anniversaries, formal events
Style Number/Barcode: 05002-000188
Category Name: Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: RED, IVORY
Available Size: XS, S, M, L, XL
Product Badge:- New Arrival
-
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
-
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
Available Size: XS, S, M, L, XL