top of page

O-Neck Mermaid Evening Dress, Sequin Floor-Length Formal Gown, Backless Prom

Price

$90.74

Free Shipping

Stop the search for *that* dress. This floor-length sequin gown is designed to follow your curves with a classic mermaid silhouette, creating a look that's both timeless and striking. The simple O-neck and sleeveless cut are balanced by an open back, so you get noticed from every angle.
Materials:
  • Sequin
  • Polyester

Pair it with:
  • A sleek updo or ponytail to highlight the open back detail.
  • Minimalist metallic or diamond stud earrings.
  • Strappy stiletto heels in a neutral or matching tone.
  • A simple, structured clutch bag without extra embellishments.

Occasion:
  • Formal evening galas, black-tie weddings, or charity balls.
  • Prom, homecoming, or a milestone anniversary party.
  • Upscale cocktail events or holiday celebrations.

Tags: long sequin mermaid evening dress, backless formal gown with sequins, sleeveless o-neck prom dress floor length, trumpet silhouette sequin gown, elegant sparkly formal dress for women, black tie event mermaid dress, women's formal sequin dress with open back, sexy floor length evening gown with built-in bra, shimmering mermaid silhouette party dress, prom dress with sequins and zipper back, formal gala dress for wedding guest, fitted sequin evening gown o-neck, elegant cocktail party mermaid dress, floor length sequin dress for formal event

Color

US Size

Quantity

Size Chart

 

US Size

EU Size

Bust

Waist

Hip

2

32

83

65

91

4

34

85

68

92

6

36

88

70

96

8

38

90

72

98

10

40

93

75

101

12

42

97

79

105

14

44

100

83

109

16

46

104

86

112

Custom

cm

cm

cm

cm

 

All the measurements are in CM.

 

Our size chart is based on standard body measurements. However, the fit of each garment may vary slightly depending on its style.

 

Not Sure? No problem! Choose the size that seems closest, and let us know your specific measurements during checkout. We'll make sure your order fits like a glove.

 

Tip: If you're between sizes, we recommend choosing the larger one for a comfortable fit.

 

How to Measure:

 

  • Shoulder: Measure the distance between the outer edges of your shoulders.
  • Bust: Measure the fullest part of your bust, keeping the tape measure parallel to the floor.
  • Waist: Measure the narrowest part of your waistline.
  • Hips: Measure the fullest part of your hips.

Shipping & Delivery

Free shipping is available on all orders.

 

  • Processing Time: Orders are typically processed and shipped within 1-3 business days.
  • Processing Time for Custom-made: Custom orders are typically processed and shipped within 8-10 business days.
  • Delivery Time: Estimated delivery time is 7-12 business days after shipment, depending on the delivery location.
  • Tracking: Once your order is shipped, you will receive a tracking number via email to track the order.

Return & Refund

We offer a "30 Days No Questions Asked" refund policy. If you are not completely satisfied with your purchase, simply return it within "30 Days" for a full refund.

 

Note: This policy is not applicable to the "Custom Made Dresses" collection.

 

 Read more about the policy.

Reviews

Rated 4.7 out of 5 stars.
Based on 25 reviews
25 reviews
  • V******eJan 22
    Rated 5 out of 5 stars.
    Was this helpful?
  • I**aDec 25, 2025
    Rated 4 out of 5 stars.
    Was this helpful?
  • U****pDec 05, 2025
    Rated 5 out of 5 stars.
    Was this helpful?
  • Y**tDec 26, 2025
    Rated 5 out of 5 stars.
    Was this helpful?
  • N**cDec 16, 2025
    Rated 5 out of 5 stars.
    Was this helpful?
  • 1.png
    2.png
    3.png
    4.png

    You may also like

    bottom of page