Collection: Party Dresses
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Devine Ruched Tube Maxi Dress
Regular price $70.37 USDRegular priceUnit price / per -
Devine Backless Lace Off-Shoulder Maxi Dress
Regular price $85.67 USDRegular priceUnit price / per -
Devine Ruffled Slit Back Tube Maxi Dress
Regular price $64.25 USDRegular priceUnit price / per -
Contrast Trim Off-Shoulder Long Sleeve Maxi Sweater Dress
Regular price $86.69 USDRegular priceUnit price / per -
Devine Side Slit Wide Strap Maxi Dress
Regular price $56.09 USDRegular priceUnit price / per -
Ruched Cowl Neck Top and Maxi Skirt Set
Regular price $61.19 USDRegular priceUnit price / per -
Split Waist Slimming Slip V-neck Backless Dress
Regular price $64.25 USDRegular priceUnit price / per -
Collared Neck Long Sleeve Midi Shirt Dress
Regular price $67.31 USDRegular priceUnit price / per -
Slit Sequin Square Neck Wide Strap Dress
Regular price $80.57 USDRegular priceUnit price / per -
Split Sequin Backless Maxi Cami Dress
Regular price $79.55 USDRegular priceUnit price / per -
Slit Bow Trim Tube Maxi Dress
Regular price $90.77 USDRegular priceUnit price / per -
Lace-Up Sequin Slit Sweetheart Neck Maxi Cami Dress
Regular price $80.57 USDRegular priceUnit price / per -
Sequin Square Neck Maxi Cami Dress
Regular price $69.35 USDRegular priceUnit price / per -
Pure Color Halter Backless Thin Strap Hip Bag Dress
Regular price $59.15 USDRegular priceUnit price / per -
Low-cut U-neck Sequin Hot Drilling Hip Spaghetti Straps Dress
Regular price $67.31 USDRegular priceUnit price / per -
Suspender Dress Tight Pleated Fishtail Skirt
Regular price $64.25 USDRegular priceUnit price / per -
Long Sequined Evening Dress Bridesmaid
Regular price $100.97 USDRegular priceUnit price / per -
Tube Top Slit Red Extra Long Evening Dress
Regular price From $63.00 USDRegular priceUnit price / per -
Velvet Round Neck Long Sleeve Rhinestone Evening Dress
Regular price $100.97 USDRegular priceUnit price / per -
Pearl Fishbone Dress Skirt Women's Dress
Regular price $64.03 USDRegular priceUnit price / per -
Texture Special-shaped Metal Buckle Off-shoulder Long Sleeve Dress
Regular price From $55.74 USDRegular priceUnit price / per -
Slit Off-Shoulder Long Sleeve Midi Dress
Regular price $61.19 USDRegular priceUnit price / per -
Rose Print V-Neck Long Sleeve Dress
Regular price $65.27 USDRegular priceUnit price / per -
Side Slit Round Neck Long Sleeve Dress
Regular price $66.29 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.