Collection: Party Dresses
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Color Block Maxi Cami Dress
Regular price $48.95 USDRegular priceUnit price / per -
Flower Halter Neck Dress
Regular price $45.89 USDRegular priceUnit price / per -
Backless Bow-Tie Back Maxi Dress
Regular price $54.05 USDRegular priceUnit price / per -
Backless Ruched Long Sleeve Maxi Dress
Regular price $46.91 USDRegular priceUnit price / per -
Satin Cowl Neck Cami Dress
Regular price $47.93 USDRegular priceUnit price / per -
Plus Size Contrast Trim Square Neck Long Sleeve Maxi Dress
Regular price $50.99 USDRegular priceUnit price / per -
Ruffle Hem V-Neck Bodycon Dress
Regular price $54.05 USDRegular priceUnit price / per -
Asymmetrical One Shoulder Bodycon Maxi Dress
Regular price $46.91 USDRegular priceUnit price / per -
Off-Shoulder Wrap Dress with Side Slit
Regular price $55.07 USDRegular priceUnit price / per -
Two-Tone Short Sleeve Bodycon Dress
Regular price $50.99 USDRegular priceUnit price / per -
Backless Slit Scoop Neck Maxi Cami Dress
Regular price $63.23 USDRegular priceUnit price / per -
Sling High Slit leg cut Dress
Regular price $54.05 USDRegular priceUnit price / per -
Textured Single Shoulder Bodycon Maxi Dress
Regular price $56.09 USDRegular priceUnit price / per -
Sweetheart Neck Cami Dress
Regular price $60.17 USDRegular priceUnit price / per -
Off-Shoulder Long Sleeve Bodycon Maxi Dress
Regular price $59.15 USDRegular priceUnit price / per -
Side Slit Off-Shoulder Maxi Dress
Regular price $60.17 USDRegular priceUnit price / per -
Zebra Print Maxi Dress with Side Slit
Regular price $60.17 USDRegular priceUnit price / per -
Ruched Slit Cap Sleeve Maxi Dress
Regular price $66.29 USDRegular priceUnit price / per -
Asymmetrical Tied Sleeveless Maxi Dress
Regular price $54.05 USDRegular priceUnit price / per -
Halter Neck Wrap Maxi Dress with Tie Detail
Regular price $58.13 USDRegular priceUnit price / per -
Round Neck Halter Side Hollow Jumpsuit Long Dress
Regular price $54.05 USDRegular priceUnit price / per -
Square Neck Wide Strap Midi Dress
Regular price $61.19 USDRegular priceUnit price / per -
Textured Single Shoulder Maxi Dress
Regular price $48.95 USDRegular priceUnit price / per -
Sweetheart Neck Short Sleeve Dress
Regular price $58.13 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.