Collection: Party Dresses
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Asymmetrical Cutout Sleeveless Dress
Regular price $53.03 USDRegular priceUnit price / per -
Smocked Square Neck Cami Dress
Regular price $52.01 USDRegular priceUnit price / per -
Twisted Contrast Cold Shoulder Midi Dress
Regular price $46.91 USDRegular priceUnit price / per -
Sleeveless Round Neck Backless Dress
Regular price $74.45 USDRegular priceUnit price / per -
Sling Square Collar Sexy Backless Waist Trimming Dress
Regular price $61.19 USDRegular priceUnit price / per -
Backless Off-shoulder Slit Pleated Fashion Sexy Dress
Regular price From $62.36 USDRegular priceUnit price / per -
Elegant Satin Strappy Bow Dress
Regular price $54.05 USDRegular priceUnit price / per -
Sleeveless Split Tube Top Dress Sling Top Suit
Regular price $60.17 USDRegular priceUnit price / per -
Split Ruched Satin Midi Cami Dress
Regular price $58.13 USDRegular priceUnit price / per -
Bow Slit Round Neck Sleeveless Dress
Regular price $48.95 USDRegular priceUnit price / per -
High-Low Ruffled Hem Midi Cami Dress
Regular price $54.05 USDRegular priceUnit price / per -
Two-piece leopard skirt with lotus leaf
Regular price $55.07 USDRegular priceUnit price / per -
Cutout Split Sweetheart Neck Tube Dress
Regular price $60.17 USDRegular priceUnit price / per -
Slit Contrast Single Shoulder Midi Dress
Regular price $83.63 USDRegular priceUnit price / per -
Slit Sequin Surplice Sleeveless Maxi Dress
Regular price $84.65 USDRegular priceUnit price / per -
Cutout Contrast Trim Single Shoulder Dress
Regular price $74.45 USDRegular priceUnit price / per -
Off Shoulder Long Sleeve Maxi Dress
Regular price $79.55 USDRegular priceUnit price / per -
Printed Ruched Slit Sleeveless Midi Dress
Regular price $60.17 USDRegular priceUnit price / per -
Off Shoulder Slit Maxi Dress
Regular price $61.19 USDRegular priceUnit price / per -
Two Tone Slit Round Neck Long Sleeve Midi Dress
Regular price $58.13 USDRegular priceUnit price / per -
Devine Plunge Sleeveless Maxi Dress
Regular price $66.29 USDRegular priceUnit price / per -
Strappy Backless Maxi Dress
Regular price $85.67 USDRegular priceUnit price / per -
Decorative Button Contrast Trim Midi Dress
Regular price $67.31 USDRegular priceUnit price / per -
Devine Slit Ruched Maxi Cami Dress
Regular price $69.35 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.