MARBELLA LONG DRESS
Signature Capsule – Launch Offer: Up to 50% off
BUY 3 DRESSES AND GET AN EXTRA 50% OFF THE THIRD ONE
ENDS TONIGHT
Simply add 3 dresses to your cart, and a 50% discount will be automatically applied to the price of the third dress.
Description
The Marbella Long Dress blends elegance with sensuality, designed for summer nights and special occasions. Crafted in soft stretch polyester, it hugs the silhouette while offering effortless comfort.
Featuring delicate shoulder straps, a flattering straight neckline and a daring thigh-high split, this gown is made to turn heads. Its flowing full-length skirt creates graceful movement with every step.
Details:
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Premium stretch polyester
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Fully lined
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Slim fit, floor length
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Straight neckline
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Thigh-high slit
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Sleeveless, open back
In the first photo, Sophia is wearing the black dress in size S. She is 166 cm tall and weighs 54 kg.
Fabric & Care
- 95% Polyester, 5% Spandex
- Designed exclusively in the UK
Our 30 Days Guarantee
We ship worldwide with trusted carriers. Delivery times are 4-8 business days.
Not satisfied with your order? You have 30 days to initiate a return.
Simply send us a message using the chat bubble at the bottom right of our website and our team will assist you.

Opening Our First Boutique in London – 2026
Sienna & Grace is stepping into a new chapter.
In 2026, we will open our very first boutique in the heart of London – a space designed to embody our world of elegance and desire. From summer escapes to unforgettable nights, discover our collections in an intimate setting, crafted for the modern woman.
Join us as we bring the Sienna & Grace experience offline, where every detail is curated to make you feel unforgettable.