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 Strapless Dress at PromGirl
  • Electric Blue
  • Neon Salmon

Long Strapless Casual Dress

$49.00 $19.00 CT-9500M64D
In Stock Buy Long Sleeveless Chevron Print Dress at PromGirl
  • Navy/Multi

Long Sleeveless Chevron Print Dress

$29.00 $19.00 EM-CCX-1571-438
In Stock Buy Long Sleeveless Chevron Print Dress at PromGirl
  • Navy/Lime

Long Sleeveless Chevron Print Dress

$49.00 $19.00 EM-CFA-1472
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 Floor Length Spaghetti Strap Dress at PromGirl
  • Black

Floor Length Spaghetti Strap Dress

$49.00 $29.00 JU-47244
In Stock Buy Long Sequin Spaghetti Strap Dress at PromGirl
  • Black
  • Gold

Long Sequin Spaghetti Strap Dress

$59.00 $29.00 CCC-6S5913
In Stock Buy Sleeveless Spaghetti Strap Black Dress at PromGirl
  • Black/Black

Sleeveless Spaghetti Strap Black Dress

$59.00 $29.00 EM-CHK-1023-093
In Stock Buy High Low Sleeveless Dress at PromGirl
  • Black/Peach

High Low Sleeveless Dress

$69.00 $34.00 DI-DH1005
In Stock Buy Long Print Popover Maxi Dress at PromGirl
  • White/Blue

Long Print Popover Maxi Dress

$39.00 SS-JA75742C130
In Stock Buy One Shoulder Floor Length Dress at PromGirl
  • Pink
  • Grey

One Shoulder Floor Length Dress

$79.00 $39.00 LP-22424
In Stock Buy Long Halter Print Maxi Dress at PromGirl
  • Coral/Blue

Long Halter Print Maxi Dress

$39.00 CT-2957QJ2F
In Stock Buy Strapless Print Maxi Dress at PromGirl
  • Orange/Green

Strapless Print Maxi Dress

$39.00 CT-2848UT4B
In Stock Buy Floor Length Sleeveless Lace Dress at PromGirl
  • Black

Floor Length Sleeveless Lace Dress

$79.00 $39.00 LP-22890
In Stock Buy High Low Strapless Sweetheart Dress at PromGirl
  • Aqua
  • Baby Pink

High Low Strapless Sweetheart Dress

$90.00 $45.00 NA-2699n
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 Floor Length Open Back Lace Gown at PromGirl
  • Coral

Floor Length Open Back Lace Gown

$149.00 $49.00 JU-47705
In Stock Buy Floor Length Sleeveless Dress at PromGirl
  • Beige
  • Pink (Blush)

Sleek Open Back Gown for Prom

$99.00 $49.00 TW-4066
In Stock Buy Strapless Alyce Dress 6602 at PromGirl
  • Hot Pink

Strapless Alyce Dress 6602

$178.00 $49.00 AL-6602
In Stock Buy One Shoulder Floor Length Dress at PromGirl
  • Royal Blue

One Shoulder Prom Gown by Ruby Rox

$99.00 $49.00 RR-CGX2207i
In Stock Buy Sequin Spaghetti Strap Illusion Dress at PromGirl
  • Black

Sequin Spaghetti Strap Illusion Dress

$99.00 $49.00 DI-DD134-0613
* 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.