LONG PROM DRESSES, LONG FORMAL DRESSES, AND LONG PROM GOWNS

Browse our large selection of elegant long prom dresses, and find the perfect long formal dresses for your prom. At PromGirl you will find many long prom dresses and gowns from the top formal dress designers and manufacturers.  A long dress makes an elegant statement at any formal event whether it is prom, a formal dance, or wedding. Shop our huge selection of long dresses, and you will find long elegant dresses priced to fit every budget. Whatever the event you are looking for, we have your perfect long dress.

In Stock Buy Strapless Formal Dress at PromGirl
  • Royal
  • Burgundy
  • Black
  • Plum
  • Olive
  • Gold
  • White

Long Formal Gown 29283

$99.00 SF-29283
In Stock Buy Floor Length V-Neck JVN by Jovani Dress at PromGirl
  • Navy
  • Blush
  • Coral

Long V-Neck JVN by Jovani Prom Dress

$318.00 JO-JVN-JVN20381
In Stock Buy Floor Length Sleeveless JVN by Jovani Dress at PromGirl
  • Black
  • White

High Neck Gown with Sheer Back JVN by Jovani

$398.00 $299.00 JO-JVN-JVN89652
In Stock Buy Long One Shoulder Dress at PromGirl
  • Red
  • Black
  • Plum

Long One Shoulder Dress

$189.00 DQ-8309
In Stock Buy Long Blue Dress by XOXO at PromGirl
  • Blue

Long Blue Prom Dress by XOXO

$79.00 XO-2133SSK1
In Stock Buy Long One Shoulder Dress at PromGirl
  • Black
  • Royal Blue

One Shoulder Formal Gown

$229.00 $59.00 DQ-8095
In Stock Buy Floor Length Strapless Sweetheart JVN by Jovani Dress at PromGirl
  • Royal
  • Red
  • Orange
  • Black
  • Blush

Strapless Evening Gown JVN by Jovani

$278.00 JO-JVN-JVN90365
In Stock Buy Floor Length Strapless Sweetheart Print Dress at PromGirl
  • Purple
  • Fuchsia

Strapless Print Prom Dress

$219.00 $49.00 DQ-8088
In Stock Buy Floor Length Halter Dress at PromGirl
  • Royal/Silver

Floor Length Halter Dress

$156.00 BN-55239
In Stock Buy Strapless Silver Dress at PromGirl
  • Silver (Silver/Black)
  • Plum (Plum/Black)
  • Cinnamon
  • Fuchsia/Black
  • Lilac/Lilac

Strapless Prom Gown

$169.00 NA-2554
In Stock Buy JVN by Jovani One Shoulder Rhinestone Embellished Floor Length Dress at PromGirl
  • Black
  • White
  • Coral

One Shoulder Gown JVN by Jovani

$358.00 JO-JVN-JVN91220
In Stock Buy Long Sleeve Mori Lee Dress at PromGirl
  • Vanilla/Gold
  • Black/Gold
  • Red/Silver

Long Sleeve Mori Lee Dress

$378.00 ML-97070
In Stock Buy Lace Floor Length Strapless Sweetheart Dress at PromGirl
  • Eggplant
  • Champagne
  • Navy
  • Fuchsia
  • Royal

Long Strapless Lace Dress

$99.00 DI-K0347B
In Stock Buy Long One Shoulder Dress at PromGirl
  • Black
  • Plum
  • Brown

One Shoulder Prom Gown

$99.00 DQ-8324
In Stock Buy Floor Length Strapless Empire Waist Dress at PromGirl
  • Light Yellow

Long Strapless Yellow Dress

$199.00 $29.00 SS-X28751TNY
In Stock Buy One Shoulder Floor Length Dress at PromGirl
  • Ivory

One Shoulder Floor Length Dress

$149.00 $49.00 MY-3725SK1N
In Stock Buy Blush High Neck Long Gown at PromGirl
  • Coral Pink
  • Sapphire
  • Pool

Blush High Neck Long Gown

$359.00 BL-10001
In Stock Buy Floor Length Strapless Sweetheart JVN by Jovani Dress at PromGirl
  • Light Yellow

JVN by Jovani Strapless Prom Gown

$318.00 $199.00 JO-JVN-JVN92870
In Stock Buy High Neck Blush Prom Dress at PromGirl
  • Valentine
  • Sapphire
  • Off White

High Neck Blush Prom Dress

$479.00 BL-10008
In Stock Buy Long Ruched One Shoulder Gown at PromGirl
  • Lemon Meringue
  • Maui Coral
  • Purple Passion

One Shoulder Gown by Flirt P4717

$398.00 $299.00 FL-P4717
* Products with an "in stock" banner have at least some size and color combinations ready to ship immediately. Available sizes and colors may be limited due to seasonality. Please read our complete availability policy for more information.