Evening Dresses Online
Make a statement at any formal occasion with the evening dresses collection at 27dress. From galas and black-tie weddings to proms, banquets and red-carpet events, our evening gowns are made to turn heads and help you feel unforgettable. Browse hundreds of styles — long flowing A-line and mermaid silhouettes, chic short cocktail dresses, sparkling sequin and beaded gowns, and elegant lace or off-the-shoulder designs — in every shade from classic black and navy to bold jewel tones. Each dress is crafted to order with custom-size options and premium fabrics, so you get a flawless, designer-look fit without the designer price. Find your perfect evening dress online and shine at your next event.
Need help choosing? Read our evening dresses guide to decode dress codes, silhouettes by body type, fabrics and sizing.
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Sort by:
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
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Mermaid Off-the-Shoulder Formal Evening Dresses with Side Train
Mermaid Off-the-Shoulder Formal Evening Dresses with Side Train feature an elegant off-the-shoulder neckline, a figure-hugging mermaid silhouette, and a graceful side train. Perfect for weddings, proms, and formal events, this gown combines sophistication and glamour. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party,...- $399.99
- $399.99
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Elegant Strapless Evening Dresses with Detachable Train
Elegant Strapless Evening Dresses with Detachable Train exude sophistication and charm, featuring a fitted bodice and flowing skirt. The detachable train adds versatility, perfect for formal events, weddings, or special occasions, combining elegance and comfort in one stunning design. Venues: Prom, Formal Banquet, Wedding Guest,...- $410.99
- $410.99
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Formal Off-the-Shoulder Sweetheart Evening Dresses with Sash
Formal Off-the-Shoulder Sweetheart Evening Dresses with Sash feature an elegant neckline and a flattering fitted bodice. The sash accentuates the waist, while the flowing skirt creates a graceful silhouette, perfect for weddings, galas, or any formal event. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet...- $399.99
- $399.99
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Pink Off-the-Shoulder Sequined Evening Dresses with Beaded
Pink Off-the-Shoulder Sequined Evening Dresses with Beaded combine romantic charm with sparkling elegance. Featuring dazzling sequins, graceful beading, and a flattering off-shoulder neckline, they are ideal for any formal occasion. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring, Summer, Fall, Winter...- $399.99
- $399.99
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Elegant Pink Bateau Sequined Mermaid Evening Dresses
Elegant Pink Bateau Sequined Mermaid Evening Dresses feature a graceful bateau neckline, sparkling sequins, and a figure-flattering mermaid silhouette. Designed to highlight elegance and charm, perfect for weddings, galas, and formal occasions. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring, Summer,...- $415.99
- $415.99
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Red Off-the-Shoulder Mermaid Evening Dresses with Beaded
Red Off-the-Shoulder Mermaid Evening Dresses with Beaded showcase a bold off-shoulder neckline, delicate beadwork, and a dramatic mermaid silhouette. Designed for elegance and allure, perfect for galas, weddings, or formal celebrations. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring, Summer, Fall,...- $405.99
- $405.99
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Chic Off-the-Shoulder Long Sleeves Sequined Evening Dresses
Chic Off-the-Shoulder Long Sleeves Sequined Evening Dresses feature an elegant off-shoulder neckline with long sleeves, shimmering sequins, and a refined silhouette. Perfect for galas, weddings, or evening parties, bringing timeless charm and grace. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring,...- $399.99
- $399.99
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Gold Strapless A-line Sequined Evening Dresses with Rhinestone
Gold Strapless A-line Sequined Evening Dresses with Rhinestone feature a dazzling strapless neckline, shimmering sequins, and sparkling rhinestone accents. The flowing A-line silhouette creates elegance and glamour for weddings, galas, and formal events. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring,...- $419.99
- $419.99
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Formal Halter Sleeveless Mermaid Evening Dresses with Applique
Formal Halter Sleeveless Mermaid Evening Dresses with Applique highlight a chic halter neckline, sleeveless cut, and delicate applique details. The mermaid silhouette enhances elegance and sophistication, perfect for weddings, galas, and formal events. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring,...- $405.99
- $405.99
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Elegant Strapless Mermaid Evening Dresses with Rhinestones
Elegant Strapless Mermaid Evening Dresses with Rhinestones feature a stunning strapless neckline, sparkling rhinestone embellishments, and a curve-hugging mermaid silhouette. Perfect for weddings, galas, and formal events, they exude sophistication and glamour. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring, Summer,...- $399.99
- $399.99
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Chic Puff Sleeves Mermaid Floor-length Sequined Evening Dresses
Chic Puff Sleeves Mermaid Floor-length Sequined Evening Dresses feature stylish puff sleeves, a figure-flattering mermaid silhouette, and shimmering sequins. Perfect for weddings, galas, and formal events, they create a glamorous and unforgettable look. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring,...- $399.99
- $399.99
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Sexy Spaghetti Straps Sweetheart Mermaid Evening Dresses
Sexy Spaghetti Straps Sweetheart Mermaid Evening Dresses feature a flattering sweetheart neckline, delicate spaghetti straps, and a curve-hugging mermaid silhouette. Perfect for weddings, galas, and formal events, they exude elegance and allure. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring, Summer,...- $399.99
- $399.99
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Bateau Cap Sleeves Mermaid Evening Dresses with Beading
Bateau Cap Sleeves Mermaid Evening Dresses with Beading feature an elegant bateau neckline, delicate cap sleeves, and intricate beading. The mermaid silhouette enhances curves, creating a sophisticated and glamorous look for weddings, galas, and formal events. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event,...- $399.99
- $399.99
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Formal Strapless Sleeveless Mermaid Evening Dresses with Rhinestones
Formal Strapless Sleeveless Mermaid Evening Dresses with Rhinestones feature a stunning strapless neckline, elegant sleeveless design, and sparkling rhinestone embellishments. The mermaid silhouette accentuates curves, perfect for galas, weddings, and formal events. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring, Summer,...- $399.99
- $399.99
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Black Elegant Long Sleeves Mermaid Evening Dresses with Sash
Black Elegant Long Sleeves Mermaid Evening Dresses with Sash features a graceful silhouette, fitted bodice, and flowing mermaid hem. The sash accentuates the waist, while the long sleeves add charm, making it perfect for formal occasions and evening parties. Venues: Prom, Formal Banquet, Wedding Guest,...- $189.99
- $189.99
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Pink Off-the-Shoulder Ball Gown Evening Dresses with Bow and Applique
Pink Off-the-Shoulder Ball Gown Evening Dresses with Bow and Applique feature a romantic off-shoulder neckline, voluminous ball gown skirt, and delicate applique details. The charming bow accent adds elegance, perfect for proms, galas, and weddings. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party,...- $599.99
- $599.99
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Cute Pink Long Sleeves Mermaid Evening Dresses with Feather
Cute Pink Long Sleeves Mermaid Evening Dresses with Feather feature a graceful mermaid silhouette, elegant long sleeves, and playful feather accents. This charming design is perfect for proms, galas, and special evening occasions. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring,...- $299.00
- $299.00
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Gold Sleeveless Satin Mermaid Evening Dresses with Beaded
Gold Sleeveless Satin Mermaid Evening Dresses with Beaded feature a sleek satin finish and shimmering beaded accents. The sleeveless design and mermaid cut highlight elegance and curves, making it perfect for galas, proms, and evening celebrations. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event,...- $189.99
- $189.99
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Black Off-the-Shoulder Mermaid Sequined Evening Dresses with Slit
Black Off-the-Shoulder Mermaid Sequined Evening Dresses with Slit feature a glamorous off-shoulder neckline, sparkling sequins, and a curve-hugging mermaid silhouette. The high slit adds allure, perfect for galas, proms, and formal evening occasions. Venues: Prom, Formal Banquet, Wedding Guest, Red Carpet Event, Party, Cocktail Season: Spring,...- $149.99
- $149.99
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Purple Strapless Sequined Ball Gown Evening Dresses with Bow
Purple Strapless Sequined Ball Gown Evening Dresses with Bow feature a sparkling sequined design and a graceful strapless neckline. The full ball gown skirt with a charming bow detail makes it perfect for proms, galas, and elegant evening occasions. Venues: Prom, Formal Banquet, Wedding Guest,...- $499.99
- $499.99
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