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/Lime

Long Sleeveless Chevron Print Dress

$49.00 $19.00 EM-CFA-1472
In Stock Buy Sleeveless Long Striped Dress at PromGirl
  • Black/Tan/Coral

Sleeveless Long Striped Dress

$39.00 $19.00 EM-CAG-1116
In Stock Buy Strapless Floor Length Dress at PromGirl
  • Yucca

Strapless Floor Length Dress

$69.00 $19.00 CT-9500W88B
In Stock Buy Floor Length Spaghetti Strap Print Dress at PromGirl
  • Cream/Navy

Floor Length Spaghetti Strap Print Dress

$69.00 $19.00 AS-I960450g2
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 One Shoulder Casual Print Dress at PromGirl
  • Ivory/Royal

One Shoulder Casual Print Dress

$69.00 $19.00 CT-2631BM1D
In Stock Buy Floor Length Strapless Dress at PromGirl
  • Yucca

Floor Length Strapless Dress

$49.00 $19.00 CT-9500M64F
In Stock Buy Floor Length Sleeveless Dress at PromGirl
  • Ivory/Black

Floor Length Sleeveless Dress

$49.00 $25.00 SS-X28701TLV
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 Floor Length Strapless Empire Waist Dress at PromGirl
  • Light Yellow

Long Strapless Yellow Dress

$199.00 $29.00 SS-X28751TNY
In Stock Buy Floor Length Strapless Pleated Dress at PromGirl
  • Purple

Strapless Purple Prom Gown with Open Back

$199.00 $39.00 SS-X27091MDU
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 One Shoulder Floor Length Dress at PromGirl
  • Ivory

One Shoulder Floor Length Dress

$149.00 $49.00 MY-3725SK1N
In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Turquoise

Strapless Turquoise Blue Prom Dress

$189.00 $49.00 SS-X26641TD9
In Stock Buy Long Metallic One Shoulder Dress at PromGirl
  • Teal Crush
  • Violet Crush

Long Metallic One Shoulder Dress

$298.00 $49.00 FL-P5863
* 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.