Best-Selling Formal Dresses
Discover the elegance of long and midi formal dresses, adored by customers for their flattering silhouettes. From classic black to vibrant red, these best-selling dresses and gowns feature off-the-shoulder designs, corset bodices, and strappy details. Whether it's a satin finish or glitter knit, these dresses ensure you dress to impress at any formal event. Available in timeless hues like hunter green, navy, and white, they'll create an unforgettable look for any dance, occasion, or event.
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Best Selling Formal Dresses for Every Occasion
Discover why Windsor is the ultimate destination for Best-Selling Formal Dresses that deliver style and elegance for every special moment. From winter weddings to spring galas, Prom, and college formals, these customer-favorite formal dresses are loved for their timeless appeal and modern details.
Windsor makes it easy to shop for formal dresses near you, with over 350 retail locations in the US and Canada. You can find your perfect dress in-store, online, or on the Windsor app—whenever and wherever you need it.
Explore Windsor formal dresses crafted in elevated fabrics like luxe satin, chiffon, velvet, glitter, and sequins. These top trending formal dresses feature floor-length silhouettes and evening gowns with chic updates like daring cutouts, elegant necklines, and figure-flattering fits. Whether you’re drawn to sleek, fitted designs or romantic A-line styles, our best formal dresses come in a variety of colors, including jewel tones, soft pastels, classic black, and trendy shades that make you stand out like rust, olive, periwinkle, or denim blue.
If you’re looking for a pop of color for Prom 2025 or a spring wedding, try soft pastels, trending metallics, or vibrant shades that stand out. For a timeless twist, shop top formal dresses with draped details, flowing skirts, and modern embellishments that turn heads at every event.
No matter the season or occasion, Windsor's best formal dresses pair beautifully with sparkling accessories, sleek heels, and statement clutches to complete your look. These top formal dresses aren’t just stunning—they’re versatile styles perfect for creating unforgettable memories.
Windsor is your destination for the top formal dresses customers can’t get enough of. Shop formal dresses near you or online today and discover why these styles are best-sellers for every special event!
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Aly Formal Floral Velvet Lace-Up Mermaid Dress
Special Occasion
Step into the garden of sultriness in the Aly formal long dress! She captivates everyone in her plunge V-neckline, a padded bust, spaghetti straps that lace up in the back, and a flattering mermaid silhouette and floor-length hem. The formal long dress is designed with a flocked floral pattern on mesh fabric and has a stretchy full knit lining. Complete the look in a sleek lariat necklace for a black tie formal event!
Fit & Features
- Sleeveless plunge V-neckline, padded bust
- Spaghetti straps, lace-up back
- Back zipper and hook-eye closure
- Mermaid silhouette, floor-length hem
- Flocked floral velvet pattern
- Mesh fabric, full stretch knit lining
- Runs true to size
Style Number/Barcode: 05002-7958
Category Name: Best-Selling Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, XL
Product Badge:- Best Seller
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Giada Glitter Knit Off-the-Shoulder Bodycon Dress
Special Occasion
Exude luxe glamour in the Giada formal bodycon dress designed with glitter knit fabric for a gorgeous shine. It features an off-the-shoulder neckline with a chic wrap-front, a ruched side seam to accentuate your stunning curves, and a faux wrap-front design creating a high slit on the floor-length bodycon silhouette.
Fit & Features
- Glitter knit fabric with knit top lining, plenty of stretch
- Off-the-shoulder neckline, wrap-front design, ruched short sleeves
- High waist seam
- Ruched side seam, ruched lower back
- Faux wrap-front design, high slit
- Floor-length bodycon silhouette
- Runs true to size
Style Number/Barcode: 05002-8851
Category Name: Best-Selling Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: NAVY, BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Best Seller
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Morgana Lace-Up Ruched Mermaid Dress
Special Occasion
The long formal dress features a sleeveless sweetheart neckline with floral lace trim, lace flutter shoulder straps, a lace-up back design, ruching throughout to enhance curves, and a mermaid silhouette that flares at the hem.
Fit & Features
- Lined smooth knit fabrication
- Sleeveless sweetheart neckline with lace trim, padded bra cups
- Lace flutter shoulder straps
- Lace-up back design
- Ruching
- Mermaid silhouette
- Long length hem
- Runs true to size
Style Number/Barcode: 05002-9179
Category Name: Best-Selling Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: BURGUNDY
Available Size: L
Product Badge:- Best Seller
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Ashlynn Long Sleeve Corset Slim Formal Dress
Special Occasion
Arrive in elegance wearing the Ashlynn slim formal dress to parties and soirees. The dress features sheer fitted long sleeves atop a femme corset bodice and is finished with a high-side slit. Style with earrings.
Fit & Features
- Mesh fabric lined fabric
- Sheer fitted long sleeves
- Square neckline
- Corset bodice
- High side slit
- Slim silhouette, floor-length hem
- Runs true to size
Style Number/Barcode: 05002-8913
Category Name: Best-Selling Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: HUNTER
Available Size: XS
Product Badge:- Best Seller
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Noa Lace-Up Rhinestone Corset Mermaid Dress
Special Occasion
Sparkle and glow in a long dress that features a sleeveless square neckline with adjustable spaghetti straps, a corset-bodice that provides additional structure, a lace-up back design for a customized fit, studded rhinestones throughout, and an elegant mermaid silhouette. Complete outfit with a clutch.
Fit & Features
- Lined mesh fabrication
- Sleeveless square neckline
- Adjustable spaghetti straps
- Corset bodice
- Studded rhinestones
- Lace-up back design
- Long length hem
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8953
Category Name: Best-Selling Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: BLACK
Available Size: S
Product Badge:- Best Seller
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Vanessa One-Shoulder Mermaid Formal Dress
Special Occasion
Exude grace and elegance in the Vanessa formal dress boasting a sleek one-shoulder neckline, fitted long sleeves, and an accentuating mermaid silhouette completed with a high slit. Pair with earrings.
Fit & Features
- Smooth knit fabric, stretchy knit lining
- One-shoulder neckline
- Fitted long sleeves
- High slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-9316
Category Name: Best-Selling Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: BLACK
Available Size: S
Product Badge:- Best Seller
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Aleah Formal Satin Halter Mermaid Dress
Special Occasion
Channel a chic and sultry vibe for your next formal affair in the Aleah satin halter mermaid dress! Designed with a stretchy satin-knit fabric, this long dress will hug your gorgeous curves with her form-fitting silhouette. She features a sleeveless bodice, a draped halter neckline with a tie-back design, a bold open back with a lower bar strap design for added allure, lower back ruching, and a mermaid fit an iconic look on the floor-length hem. Complete your look with sleek stilettos.
Fit & Features
- Stretchy satin-knit fabric
- Draped halter neckline with tie-back design
- Open back, lower bar strap design
- Lower back ruching, zipper closure
- Mermaid fit
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8320
Category Name: Best-Selling Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S
Product Badge:- Best Seller
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Kaitlin Low Back Slit Mermaid Formal Dress
Special Occasion
Make it an unforgettable night in the Kaitlin formal dress at galas or black tie events. The sleeveless dress captivates with an alluring open-back design and high front slit along the figure-enhancing mermaid silhouette. Pair with earrings and heels.
Fit & Features
- Smooth knit fabric
- Scoop neckline, wide shoulder straps
- Open-back design
- High front slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-9228
Category Name: Best-Selling Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: HUNTER, SAGE
Available Size: XS, S, M, L
Product Badge:- Best Seller