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 Floor Length Sleeveless Dress at PromGirl
  • Black/Nude/Silver

Long Black Gown for Prom

$229.00 X-XS5844
In Stock Buy Floor Length Cap Sleeve Lace Dress at PromGirl
  • Mint/Silver
  • Coral/Silver

Long Lace Gown for Prom by Sequin Hearts

$149.00 $69.00 MY-6218xy1n
In Stock Buy Floor Length Sleeveless Dress at PromGirl
  • Red
  • Royal Blue
  • Champagne
  • Coral
  • Mint

Long Sleeveless Prom Dress

$249.00 $189.00 DQ-8681
In Stock Buy Stunning Sequin Embellished Sheer JVN by Jovani Dress at PromGirl
  • Nude/Gold

Sexy Sheer Beaded Prom Dress from JVN by Jovani

$450.00 $275.00 JO-JVN-JVN21738
In Stock Buy Floor Length Sleeveless Black V-Neck Dress at PromGirl
  • Black

Long Sleeveless Black Gown

$89.00 EM-CHM-1003-001
In Stock Buy Strapless Lace Mermaid Dress at PromGirl
  • Black
  • Fuchsia
  • Champagne
  • Royal
  • New Red
  • Navy

Strapless Lace Mermaid Dress

$99.00 $49.00 DI-13524L
In Stock Buy Strapless Formal Dress at PromGirl
  • Royal
  • Burgundy
  • Black
  • White

Long Formal Gown 29283

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

Long V-Neck JVN by Jovani Prom Dress

$318.00 $199.00 JO-JVN-JVN20381
In Stock Buy Long One Shoulder Dress at PromGirl
  • Red
  • Black

Long One Shoulder Dress

$189.00 DQ-8309
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 $249.00 JO-JVN-JVN89652
In Stock Buy Elegant Strapless Formal Gown at PromGirl
  • Purple
  • Brown(Chocolate)
  • Black

Strapless Formal Gown for Prom

$199.00 $99.00 DQ-8072
In Stock Buy Sleeveless JVN by Jovani Prom Dress  at PromGirl
  • Black
  • White

Sleeveless JVN by Jovani Prom Dress

$398.00 $199.00 JO-JVN-JVN21768
In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Deep Blue Ocean

Long Strapless Blue Dress for Prom

$99.00 $49.00 CT-8420NN3E
In Stock Buy Floor Length Classic Formal Dress at PromGirl
  • Cornflower

Floor Length Classic Formal Dress

$149.00 $74.00 MO-11999
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 $189.00 JO-JVN-JVN90365
In Stock Buy Floor Length Sleeveless V-Neck Dress at PromGirl
  • Blue

Sleeveless Blue Prom Gown by LA Glo

$149.00 $75.00 LA-24817
In Stock Buy Floor Length Sleeveless Gown at PromGirl
  • Ivory
  • Black

Floor Length Sleeveless Gown

$199.00 $99.00 HL-211s70570
In Stock Buy Long Strapless Print Maxi Dress at PromGirl
  • Navy/Ivory

Long Strapless Print Maxi Dress

$39.00 EM-CBZ-2042-427
In Stock Buy One Shoulder Ruched Dress at PromGirl
  • Royal
  • Aqua
  • Fuchsia
  • Gold
  • Magenta

Long One Shoulder Prom Dress

$149.00 $74.00 NA-2688
In Stock Buy Floor Length V-Neck Prom Dress 19851 by La Femme at PromGirl
  • Red
  • Jade
  • Black
  • Royal Blue
  • Plum
  • Yellow

V-Neck Prom Dress by La Femme 19851

$298.00 $189.00 LF-19851
In Stock Buy Floor Length Lace Embellished JVN by Jovani Dress at PromGirl
  • Red
  • Black

Sheer Back Lace Prom Gown from JVN by Jovani

$398.00 $299.00 JO-JVN-JVN99392
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 Embellished Floor Length JVN by Jovani Gown at PromGirl
  • Black
  • White
  • Blush

Long Beaded Prom Dress JVN24413 by Jovani

$398.00 $269.00 JO-JVN-JVN24413
In Stock Buy Sleeveless Floor Length Lace Dress at PromGirl
  • Blush

Sleeveless Floor Length Lace Dress

$149.00 $74.00 JU-47631
In Stock Buy JVN by Jovani Long Strapless Sweetheart Lace Embellished Dress at PromGirl
  • Nude/White
  • Black/White

Strapless Long Prom Dress JVN by Jovani

$378.00 $249.00 JO-JVN-JVN91085
In Stock Buy Floor Length High Neck JVN by Jovani Dress at PromGirl
  • Mint
  • Coral
  • Black

Beaded Halter Prom Gown JVN by Jovani 20530

$398.00 $249.00 JO-JVN-JVN20530
In Stock Buy Full Length Strapless Formal Gown at PromGirl
  • Gold
  • Black
  • Purple
  • Fuchsia
  • Turquoise
  • Lime

Full Length Strapless Formal Gown

$189.00 $94.00 DQ-8116
In Stock Buy One Shoulder Floor Length Dress at PromGirl
  • Burgundy
  • Black
  • Beige
  • Pink
  • Grey

One Shoulder Floor Length Dress

$79.00 $39.00 LP-22424
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 $269.00 JO-JVN-JVN91220
In Stock Buy Floor Length Sleeveless Illusion JVN by Jovani Dress at PromGirl
  • Black

Sleeveless Illusion JVN by Jovani Prom Dress

$278.00 $169.00 JO-JVN-JVN22445
In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Mint Green

Strapless Lace Up Gown

$199.00 NA-8121
In Stock Buy Floor Length Sleeveless V-Neck Dress at PromGirl
  • Lavender
  • Dusty Pink
  • Teal
  • Silver

Sleeveless V-Neck Long Prom Dress

$249.00 $124.00 SI-16111
In Stock Buy Sleeveless Floor Length V-Neck JVN by Jovani Dress at PromGirl
  • Pink
  • Black
  • Teal

Sleeveless Long V-Neck Gown from JVN by Jovani

$398.00 $269.00 JO-JVN-JVN99401
In Stock Buy Lace Floor Length Strapless Sweetheart Dress at PromGirl
  • Eggplant
  • Champagne
  • Fuchsia
  • Royal

Long Strapless Lace Dress

$129.00 $64.00 DI-K0347B
In Stock Buy Strapless Glitter Peplum Dress at PromGirl
  • Coral

Strapless Glitter Peplum Dress

$129.00 $29.00 EM-CHL-1023-680
In Stock Buy Long One Shoulder Prom Dress at PromGirl
  • Black/White

Long One Shoulder Prom Dress

$89.00 $49.00 DQ-9030
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 Sweetheart Dress at PromGirl
  • Sky Blue
  • White

Long Beaded Strapless Sweetheart Dress

$249.00 $149.00 TI-GL-DL106
* 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.