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Formal Evening Gown, Sequin Mermaid Prom Dress, Backless Spaghetti Strap

Price

$117.08

Free Shipping

Stop the search for *that* dress. This floor-length sequin gown is designed with a trumpet silhouette that follows your curves, finishing with a high slit for a dramatic entrance. The open back and sweetheart neckline give you a standout look for your next big event.
Materials:
  • Sequin
  • Polyester

Pair it with:
  • Strappy stiletto heels to lengthen the leg line.
  • A simple metallic or black clutch to hold your essentials.
  • Minimalist jewelry, like diamond studs or a delicate tennis bracelet, to let the sequins shine.
  • An elegant updo or swept-back hair to highlight the open back detail.

Occasion:
  • Black-tie events, galas, and formal evening parties.
  • Prom night or a university formal.
  • As a wedding guest for a formal or evening ceremony.

Tags: long sequin prom dress with slit, backless mermaid evening gown, sexy formal dress with open back, spaghetti strap sequin maxi dress, sweetheart neckline floor length gown, trumpet silhouette formal dress, sparkly evening gown with high slit, prom dress with built in bra support, sexy black tie event dress, floor length party dress with sequins, open back formal maxi dress, fitted sequin gown for wedding guest, pleated mermaid prom dress

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 4.6 out of 5 stars.
Based on 20 reviews
20 reviews
  • T*****vFeb 04
    Rated 5 out of 5 stars.
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    Rated 4 out of 5 stars.
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  • W***rDec 26, 2025
    Rated 5 out of 5 stars.
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  • B**wJan 23
    Rated 4 out of 5 stars.
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  • N******nJan 09
    Rated 4 out of 5 stars.
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