PromGirl has a vast collection of long prom dresses and evening gowns from the best designers. If you're looking for a long dress or evening gown for your 2016 prom, PromGirl is the best online prom dress shop. We have a huge selection of long formal dresses and pageant gowns ready to ship including strapless gowns and long halter dresses for prom.

Looking for a glamorous prom gown? You'll be ready for any red carpet event when you chose a chic and sophisticated long dress with an open back or a lace embellished mermaid dress. Princess ball gowns and long sheer illusion dresses are perfect for an ultra feminine look if you want to show off your super sweet girlie side.

For the party girl we have a great collections of trendy two piece gowns and sparkling sequin dresses. Sassy long dresses with cut outs that show a peek of skin or seductive backless dresses that will have heads turning the moment you pass by. There are flowing chiffon gowns that make it look like your floating on air or sleek body hugging styles that show off your curves.

No matter what the style PromGirl has the best long dresses and pageant gowns at guaranteed low prices.

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 Sequin Spaghetti Strap Dress at PromGirl
  • Black
  • Gold

Long Sequin Spaghetti Strap Dress

$59.00 $29.00 CCC-6S5913
In Stock Buy Floor Length Scoop Neck Lace Embellished Dress at PromGirl
  • Black

Open Back Black Lace Gown

$99.00 $49.00 EM-CHN-1446
In Stock Buy Long Elegant Lace Gown by Sequin Hearts at PromGirl
  • Black/Silver

Long Elegant Lace Gown by Sequin Hearts

$99.00 $49.00 MY-6218XX1N
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 Blue Dress by XOXO at PromGirl
  • Blue

Long Blue Prom Dress by XOXO

$129.00 $49.00 XO-2133SSK1
In Stock Buy One Shoulder Floor Length Dress at PromGirl
  • Royal Blue

One Shoulder Prom Gown

$99.00 $49.00 RR-CGX2207i
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 One Shoulder Formal Dress at PromGirl
  • Purple
  • Fuchsia
  • Navy

One Shoulder Backless Evening Gown

$199.00 $49.00 DQ-8079
In Stock Buy Strapless Formal Prom Dress at PromGirl
  • Plum
  • Gold
  • Olive

Long Formal Gown 29283

$99.00 $49.00 SF-29283-v
In Stock Buy High Low Strapless Sweetheart Dress at PromGirl
  • Coral

High Low Strapless Party Dress

$99.00 $49.00 DQ-8570
In Stock Buy Floor Length Cap Sleeve Lace Dress at PromGirl
  • Mint/Silver

Long Lace Gown for Prom by Sequin Hearts

$149.00 $59.00 MY-6218xy1n
In Stock Buy Long One Shoulder Ruched Dress at PromGirl
  • Eggplant
  • Light Teal
  • Pink
  • Green

Elegant One Shoulder Gown for Prom

$99.00 $59.00 DI-15218
* 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.