Deep Sea Blue Velvet Mermaid Evening Gown - Backless Siren Prom Dress
Deep Sea Blue Velvet Mermaid Evening Gown - Backless Siren Prom Dress
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Embrace the depths of elegance in this ethereal deep sea blue velvet mermaid gown, where timeless sophistication meets alluring siren grace.
📏 Size Guide
| Size | Bust | Waist | Hips | Length |
|---|---|---|---|---|
| XS | <82cm / <32" | <62cm / <24" | 84cm / 33" | 125cm / 49" |
| S | <88cm / <35" | <68cm / <27" | 90cm / 35" | 125cm / 49" |
| M | <94cm / <37" | <74cm / <29" | 96cm / 38" | 125cm / 49" |
| L | <100cm / <39" | <80cm / <31" | 102cm / 40" | 125cm / 49" |
| XL | <106cm / <42" | <86cm / <34" | 108cm / 43" | 125cm / 49" |
* Please allow 1-2cm / 0.4-0.8 inches difference due to manual measurement
* For best fit, compare with a similar gown you own
📦 Stock Status: Custom-Made - Ships in 7-10 Days
✨ Custom ALTER Service Available!
Need perfect fit adjustments? Our professional ALTER service offers expert tailoring to ensure regal grace. We also accept custom-made orders based on your images (pricing varies by design). Contact us for details!
🌊 Key Features
- Luxurious Deep Sea Blue Velvet: Rich, petal-soft fabric with elegant sheen
- Alluring Mermaid Silhouette: Figure-hugging design that flares dramatically at the hem
- Backless Siren Design: Daring open back adds vintage-inspired glamour
- Floor-Length Elegance: 125cm length creates a regal, sweeping presence
- Perfect for Special Occasions: Ideal for prom, galas, formal events, and evening celebrations
Step into the spotlight wearing this breathtaking deep sea blue velvet mermaid gown that captures the essence of timeless elegance. The rich velvet fabric drapes like liquid sapphire, catching the light with every movement while the figure-hugging mermaid silhouette celebrates your curves with sophisticated grace.
The daring backless design adds an element of allure, revealing just enough to captivate while maintaining an air of refined elegance. The dramatic mermaid flare at the hem creates a stunning visual impact as you glide across the room, making this gown perfect for prom, formal galas, or any occasion where you want to feel like royalty.
💡 Style It With
Pair with silver or crystal jewelry to complement the deep blue hue, add elegant heels in nude or metallic tones to elongate your silhouette, or style with a delicate evening clutch and statement earrings for complete red carpet glamour. A sleek updo showcases the stunning backless design beautifully.
🛍️ Discover the Collection
Complete your wardrobe with more pieces from our Luxury Formal Gowns collection or explore our Dresses for more elegant styles. Check out our Vintage Fashion for timeless pieces!
🏷️ Brand: Signorina
🌍 Origin: Made in China
📝 MPN: PC-GOWN-VELVET-004

Let customers speak for us
from 51 reviewsI love her outfits! They are very tender and adorable! The shipping is super fast and the attention 10/10 super recommended
The boots are great my niece hasn't tried them on yet I hope they are the right size....thank you
Purchased these for my sister for prom. She said it was a perfect fit.
Came exactly how it was supposed to and shopping was fairly fast to arrive
Very beautiful for my friends birthday
Magnifique
I love how poofy it is. I did not expect for it to be reallh big and poofyyyy
Magnifique !! Je l'adore
They're very comfortable and absolutely adorable. I really enjoy that we can remove the bow if needed. Also it got shipped relatively fast which I'm very happy about. I also enjoy that to attache the shoes it's not with the straps but with a clip on button which makes it was easier to put it on and remove the shoe with a big dress. I love them
They're very comfortable and super cute I really enjoy that you can remove the bow and that they uses clip on buttons to attach them it makes it way easier to pus on with a big dress, I absolutely love them.
Absolutely beautiful dress! It is designed as described and fits perfectly. I found the choker after placing the order for the dress. I contacted the company and they invoiced me the cost of the choker and added it to the dress shipment. Excellent customer service!
Very soft and true to size. Stockings stay up easily
Very soft and true to size
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