Collection: Party Dresses
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European And American Flowers Skinny V-neck Dress
Regular price $56.09 USDRegular priceUnit price / perSale price $56.09 USD -
Plush Hem Square Neck Long Sleeve Dress
Regular price $58.13 USDRegular priceUnit price / perSale price $58.13 USD -
One-Shoulder Long Sleeve Dress
Regular price $86.69 USDRegular priceUnit price / perSale price $86.69 USD -
Basic Bae Built-In Shapewear Square Neck Long Sleeve Maxi Dress
Regular price $100.97 USDRegular priceUnit price / perSale price $100.97 USD -
Fishbone Bandeau Slim-fit Backless Dress
Regular price $67.31 USDRegular priceUnit price / perSale price $67.31 USD -
Sequins Off-neck Split Dress
Regular price $70.37 USDRegular priceUnit price / perSale price $70.37 USD -
Hollow Pure Desire Slim Fit Elegant Long Dress
Regular price $74.45 USDRegular priceUnit price / perSale price $74.45 USD -
Strapless Split Long Dress
Regular price $61.19 USDRegular priceUnit price / perSale price $61.19 USD -
Slim Slit Tube Long Dress
Regular price $54.05 USDRegular priceUnit price / perSale price $54.05 USD -
Round Neck Long Sleeve Stitching Dress Women
Regular price $64.25 USDRegular priceUnit price / perSale price $64.25 USD -
Fashionable Knitted Dress Sweater
Regular price From $80.01 USDRegular priceUnit price / perSale price From $80.01 USD -
Satin Chest Wrap Backless Slit Dress
Regular price $50.99 USDRegular priceUnit price / perSale price $50.99 USD -
Satin Tube Top Split Knee-length Dress
Regular price From $66.46 USDRegular priceUnit price / perSale price From $66.46 USD -
Round Neck Backless Dress
Regular price $54.05 USDRegular priceUnit price / perSale price $54.05 USD -
Slit Elegant Evening Dress
Regular price $67.31 USDRegular priceUnit price / perSale price $67.31 USD -
Diagonal Neckline Sexy Backless Dress
Regular price $54.05 USDRegular priceUnit price / perSale price $54.05 USD -
Off shoulder puff sleeve dress
Regular price $54.05 USDRegular priceUnit price / perSale price $54.05 USD -
Off-shoulder Backless Dress
Regular price $53.03 USDRegular priceUnit price / perSale price $53.03 USD -
Contrast Color Casual Off-shoulder Dress
Regular price $54.05 USDRegular priceUnit price / perSale price $54.05 USD -
Backless Hollow-out Dress Slim Fit Dress
Regular price $53.03 USDRegular priceUnit price / perSale price $53.03 USD -
Off-the-shoulder split tube top dress
Regular price $53.03 USDRegular priceUnit price / perSale price $53.03 USD -
Backless Flower Satin Dress
Regular price $54.05 USDRegular priceUnit price / perSale price $54.05 USD -
European and American Women's Long Dresses
Regular price From $53.21 USDRegular priceUnit price / perSale price From $53.21 USD -
Tassel Halter Backless Dress
Regular price $54.05 USDRegular priceUnit price / perSale price $54.05 USD
Party Dresses That Celebrate Your Presence
Whether you're dancing under city lights or attending an elegant soirée, the right party dress doesn't just complement the moment — it defines it. At Sienna Sass, we curate party dresses for women who know their worth and want their outfit to say it before they even speak. Each piece captures the spirit of the celebration, while ensuring you're the one they remember.
For graceful movement and bold color blocking, the Color Block Maxi Cami Dress offers a refined, modern silhouette. Searching for sensual elegance? The Satin Cowl Neck Cami Dress radiates understated glamour — perfect for candlelit parties or rooftop nights.
Mini, Maxi & Everything in Between
From playful to poised, our mini party dresses and long party dresses are designed to accentuate your silhouette and mood. The Off-Shoulder Wrap Dress with Side Slit is your statement piece for high-impact entrances, while the Ruched Cowl Neck Top and Maxi Skirt Set offers coordinated elegance in a flowing form.
Holiday Sparkle Meets All-Year Chic
Bring festive radiance to life with our Christmas party dresses — where satin, shimmer and bold silhouettes meet. And when summer calls, our breezy and confident pool party dresses answer. Light, flattering, and full of personality, they’re made for every unforgettable warm-weather moment.
Party Dresses for Every Occasion and Every Woman
Looking for charm with a touch of tradition? Our tea party dresses capture grace in motion, perfect for daytime celebrations. At Sienna Sass, we don’t just offer dresses — we offer statements. Discover a world of party dresses for women who dress to express, impress, and shine.























