Collection: Party Dresses
-
Contrast Color Casual Off-shoulder Dress
Regular price $54.05 USDRegular priceUnit price / per -
Backless Hollow-out Dress Slim Fit Dress
Regular price $53.03 USDRegular priceUnit price / per -
Off-the-shoulder split tube top dress
Regular price $53.03 USDRegular priceUnit price / per -
Backless Flower Satin Dress
Regular price $54.05 USDRegular priceUnit price / per -
European and American Women's Long Dresses
Regular price From $53.21 USDRegular priceUnit price / per -
Tassel Halter Backless Dress
Regular price $54.05 USDRegular priceUnit price / per -
Long Sleeve Split Loose Dress
Regular price From $47.59 USDRegular priceUnit price / per -
Slim Fit High Dress
Regular price $53.03 USDRegular priceUnit price / per -
Round Neck Long Sleeve Dress
Regular price $60.17 USDRegular priceUnit price / per -
Women's Fashion Tube Top Backless Split Tassel Dress
Regular price $50.99 USDRegular priceUnit price / per -
Slit Ruched Mock Neck Sleeveless Dress
Regular price $71.39 USDRegular priceUnit price / per -
Cold-Shoulder Mesh Sleeve Slit Back Bodycon Dress
Regular price $121.37 USDRegular priceUnit price / per -
Round Neck Long Sleeve Maxi Dress with Pockets
Regular price $83.63 USDRegular priceUnit price / per -
Ruched Spaghetti Strap Crisscross Detail Dress
Regular price $53.03 USDRegular priceUnit price / per -
Autumn And Winter New Style Commuter Sling Dress
Regular price $57.11 USDRegular priceUnit price / per -
Tie Waist Long Sleeve Midi Dress
Regular price $78.53 USDRegular priceUnit price / per -
Backless Dresses
Regular price From $44.48 USDRegular priceUnit price / per -
Perfee Pleated Tie Neck Long Sleeve Dress
Regular price $55.07 USDRegular priceUnit price / per -
Long Skirt Party Dinner Annual Party Dress
Regular price $91.68 USDRegular priceUnit price / per -
Tight Side Slit Pleated Party Party Dress Women
Regular price From $55.66 USDRegular priceUnit price / per -
Tube Top Dress Dress Banquet Party Drawstring
Regular price $91.79 USDRegular priceUnit price / per -
Velvet Dress Elegant Off-shoulder
Regular price From $51.09 USDRegular priceUnit price / per -
Foreign style evening dress
Regular price From $64.84 USDRegular priceUnit price / per -
Sequin V-Neck Lantern Sleeve Maxi Dress
Regular price $90.77 USDRegular priceUnit price / per
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.