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Timeless Glamour with a Daring Backless Design
Turn heads at your prom with this stunning royal blue mermaid dress featuring a daring backless design and elegant long V-neckline. This show-stopping gown combines classic sophistication with modern allure, creating an unforgettable silhouette that celebrates your confidence and style.
Crafted from luxurious charmeuse satin, this dress glides beautifully over your curves before flaring into a dramatic mermaid skirt. The deep V-neckline elongates your figure, while the backless design adds a touch of sultry elegance. The rich royal blue hue radiates regal sophistication, ensuring you'll be the star of any formal event.



This versatile royal blue mermaid dress is perfect for prom, formal galas, evening weddings, black-tie events, military balls, pageants, and special celebrations. Suitable for spring, summer, fall, and winter events. Ideal for ballrooms, garden venues, outdoor ceremonies, and elegant halls.


Love the style but want a different color? We offer this stunning mermaid dress in over 30 custom colors! From classic black and elegant burgundy to soft blush and vibrant emerald, we can create your dream dress in the perfect shade.
How to Order: Simply leave a note in the special instructions with your desired color name, and we'll create your custom gown.

This dress is designed to fit all body shapes beautifully. We offer both standard sizes and custom sizing to ensure your dress fits like it was made just for you—because it can be!
For Custom Sizing: Please provide your bust, waist, hips, and barefoot height measurements in the order remarks. Our expert tailors will create a dress tailored specifically to your proportions for the most flattering fit possible.
At Bridelily, we believe every woman deserves to feel confident, beautiful, and unforgettable at her special events. Our prom dresses combine timeless elegance with modern design, using premium fabrics and meticulous craftsmanship. With custom sizing, 30+ color options, and attention to every detail, we ensure you'll look and feel absolutely stunning on your big night.
Have questions about sizing, colors, customization, or shipping?
Our prom dress specialists are here to help you create your dream look.
Contact us today to make this stunning royal blue backless mermaid dress yours!
🧼 Care Instructions
📏 Sizing
• Custom sizes available
• Refer to our Size Chart or How To Measure Page— sizes differ from standard US sizing
• When in doubt, size up — alterations are easier than letting out
🎨 Color & Illusion Mesh
• Colors may appear slightly different due to monitor settings, lighting conditions, and photography effects.
• Ivory and white are different shades — please check the color carefully before ordering.
• Some dresses feature illusion mesh details, including wedding dresses, prom dresses, evening dresses, and other formal styles.
• The mesh color is selected according to the specific dress design, lace pattern, fabric color, and overall style. Different mesh shades may create different visual effects on different skin tones and under different lighting conditions.
• If you have a specific preference for illusion mesh color, please contact us before production to confirm available options.
👗 Bra Cups & Support
• Most of our dresses come with removable bra cups, allowing customers to adjust the fit based on personal preference.
• If you prefer a more secure fit, fixed bra cups may be available for selected styles upon request. Please contact us before production to confirm whether this customization option is available.
• Additional fitting requirements should be discussed with our team before your order is processed.
⏱ Production & Delivery
• Rush orders available — contact us first
• Production time may vary depending on the dress style, customization requests, and order quantity.
✅ Quality
• Every dress is individually inspected before shipment
• We carefully check fabric, stitching, embellishments, and overall finishing before delivery.
💬 Need Help?
• Live chat & email support, 7 days a week
• Response within 24 hours
Total Delivery Time = Processing/Tailoring Time + Shipping Time
Processing Your Order
Depending on your ordered item, the processing/tailoring time will differ slightly.
Shipping Information
Shipping time differs for different places.
Please refer to the table below for the shipping method options, timings, and estimated shipping cost. up $99 free Shipping.
Shipping Method
United states,Australia,Canda,Germany,United Kingdom,France,New Zealand,Ireland,Spain:
Standard Shipping: 10-15 Days
Fast Shipping: 7-14 Days
All Other Countries:
Standard Shipping: 15-20 Days
Fast Shipping: 10-15 Days
Worry-Free Delivery
1) Get a Full Refund, No Questions Asked
Lost in-transit, Item damaged in transit, Package stolen or missing after delivery, Shipment significantly delayed
2) Easy Resolution
Resolve your issues with just a few clicks, Complete Peace of Mind,
Zero-risk on your order with our protection, Get your refund promptly. Here is link,https://seller.xcottons.com/parcel#/parcel/parcel-login to log in and submit your claim directly。
Returns & Refunds is a guarantee provided by bridelily.com for every product. Returns are accepted if the product is not as described; the buyer pays the return shipping fee or keeps the product & agrees to a refund with the seller. View Details