LONG PROM DRESSES AND GOWNS

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 long evening gown for your 2015 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. Shop our huge selection of long dresses for prom and special occasions with confidence, and let us help you find the best dress at the right price.

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 One Shoulder Floor Length Dress at PromGirl
  • Ivory

One Shoulder Floor Length Dress

$149.00 $49.00 MY-3725SK1N
In Stock Buy Long Sleeveless Empire Waist Dress at PromGirl
  • Blue

Long Sleeveless Empire Waist Prom Dress

$129.00 $64.00 MY-6661ix1n
In Stock Buy Sleeveless Ruched V-Neck Dress at PromGirl
  • Royal

Sleeveless Ruched V-Neck Dress

$129.00 $64.00 BD-DY2611479
In Stock Buy High Low Sleeveless Dress at PromGirl
  • Jade
  • Black/Peach

High Low Sleeveless Dress

$69.00 DI-DH1005
In Stock Buy Floor Length Strapless Sweetheart Print Dress at PromGirl
  • Purple
  • Fuchsia

Strapless Print Prom Dress

$219.00 $69.00 DQ-8088
In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Periwinkle/Nude/Ab

Bee Darlin Strapless Prom Gown

$139.00 $69.00 BD-DY586477
In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Turquoise

Strapless Turquoise Blue Prom Dress

$189.00 $69.00 SS-X26641TD9
In Stock Buy Long Strapless Sweetheart Blue Ombre Dress at PromGirl
  • Royal/Turquoise

Long Strapless Sweetheart Blue Ombre Dress

$149.00 $74.00 JU-ON-643347i
In Stock Buy Floor Length Strapless Ruffled Prom Dress at PromGirl
  • Seafoam

Long Ruffled Prom Dress by LA Glo

$199.00 $75.00 LA-23302
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 $79.00 DQ-8095
In Stock Buy Strapless Formal Dress at PromGirl
  • Royal
  • Burgundy
  • Olive
  • Gold
  • Plum
  • White
  • Black

Long Formal Gown 29283

$99.00 SF-29283
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 One Shoulder Dress at PromGirl
  • Royal
  • Lavender
  • Peach

Long One Shoulder Dress

$99.00 DI-15380
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 V-neck Prom Dress at PromGirl
  • Royal
  • Green
  • Periwinkle
  • Lavender
  • Turquoise
  • Yellow
  • Ivory

Long V-neck Prom Dress

$99.00 TW-4044r
In Stock Buy Long Strapless Sweetheart Formal Gown at PromGirl
  • Morganite
  • White
  • Water
  • Red

Strapless Long Prom Dress by Alyce

$198.00 $99.00 AL-35595
In Stock Buy Long Strapless Sweetheart Evening Gown at PromGirl
  • Hot Violet
  • Electric Pink

Strapless Beaded Gown by Flirt

$278.00 $99.00 FL-P5830
In Stock Buy V-neck Floor Length Dress at PromGirl
  • Aqua
  • White

Elegant Prom Gown by Shail K

$330.00 $99.00 SK-SK3830L
In Stock Buy Strapless Chiffon Floor Length Dress at PromGirl
  • Mint
  • Ivory

Strapless Chiffon Floor Length Dress

$260.00 $99.00 BJ-A59849
In Stock Buy Cap Sleeve Floor Length Lace Dress at PromGirl
  • Peach
  • Blue

Long Cap Sleeve Lace Dress by Morgan

$249.00 $99.00 MO-11809
In Stock Buy Long One Shoulder Open Back Gown at PromGirl
  • Bubble Gum
  • Light Green
  • Lemon

Long One Shoulder Open Back Gown

$298.00 $99.00 NC-1015
In Stock Buy Long Strapless Chiffon Formal Gown at PromGirl
  • Ice Blue

Long Strapless Chiffon Formal Gown

$278.00 $99.00 FA-7306
In Stock Buy Long Strapless Open Back Gown at PromGirl
  • Sky Blue
  • Tangerine

Long Strapless Open Back Gown

$230.00 $99.00 AL-35590
In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Peach
  • Aqua

Elegant Strapless Evening Gown

$229.00 $114.00 DQ-8645
In Stock Buy Long Strapless Sweetheart Dress at PromGirl
  • Peony
  • Kelly Green

Long Strapless Sweetheart Dress

$240.00 $120.00 BJ-866
In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Lavender

Jeweled Strapless Long Prom Dress

$264.00 $132.00 CD-0998
In Stock Buy Long Strapless Sweetheart Empire Waist Dress at PromGirl
  • White
  • Bright Purple

La Femme Designer Prom Gown

$278.00 $139.00 LF-18313
In Stock Buy Floor Length Strapless Prom Dress at PromGirl
  • Aqua

Floor Length Strapless Prom Dress

$278.00 $139.00 SN-50558
In Stock Buy One Shoulder Empire Waist Formal Gown at PromGirl
  • Purple

One Shoulder Empire Waist Formal Gown

$288.00 $144.00 PA-14622
In Stock Buy Strapless Sweetheart Floor Length Dress at PromGirl
  • White
  • Royal
  • Mist Green

Beaded Strapless Prom Dress

$149.00 BD-067A104
In Stock Buy One Shoulder Dress with Side Slit at PromGirl
  • Light Mint
  • Hot Coral
  • Jungle Green

One Shoulder Dress with Side Slit

$298.00 $149.00 LF-19793
In Stock Buy Floor Length Strapless Sweetheart JVN by Jovani Dress at PromGirl
  • Aqua
  • Blush

Strapless Prom Gown JVN by Jovani

$270.00 $149.00 JO-JVN-JVN2563
In Stock Buy Long Strapless Metallic Formal Dress at PromGirl
  • Metallic Pearl

Long Strapless Metallic Formal Dress

$298.00 $149.00 FL-P4821
In Stock Buy Floor Length Halter Dress  at PromGirl
  • White

Halter Prom Gown with Cut Out Sides

$313.00 $156.00 CD-0981
In Stock Buy Elegant Strapless Sweetheart Dress at PromGirl
  • Hot Coral
  • Aqua
  • White

Long Prom Dress by La Femme 18710

$318.00 $159.00 LF-18710
In Stock Buy Alyce Floor Length Strapless Dress at PromGirl
  • Blue Radiance
  • Lilac

Alyce Floor Length Strapless Dress

$330.00 $165.00 AL-6194
In Stock Buy Strapless Silver Dress at PromGirl
  • Silver (Silver/Black)
  • Plum (Plum/Black)
  • Cinnamon
  • Fuchsia/Black

Strapless Prom Gown

$169.00 NA-2554
In Stock Buy Long Sequin Prom Dress at PromGirl
  • Navy Blue
  • Gold
  • Silver

Sleeveless Sequin Gown

$169.00 DQ-8694
In Stock Buy Long One Shoulder Dress at PromGirl
  • Black
  • Gold

Long One Shoulder Dress

$169.00 DQ-8279
In Stock Buy Floor Length Sleeveless Dress at PromGirl
  • Black

Floor Length Sleeveless Dress

$169.00 JU-MA-261355i
In Stock Buy Long Strapless Open Back Formal Gown at PromGirl
  • Aqua
  • Champagne
  • Party Pink

Long Strapless Open Back Formal Gown

$338.00 $169.00 ML-95047
In Stock Buy One Shoulder Dress by Night Moves at PromGirl
  • Black/Water

Night Moves Designer Prom Dress 6617

$350.00 $175.00 NM-6617
In Stock Buy Strapless Sweetheart Floor Length JVN by Jovani Dress at PromGirl
  • Mint
  • White

JVN by Jovani Long Prom Dress

$350.00 $175.00 JO-JVN-JVN90270
In Stock Buy Floor Length Cap Sleeve Dress at PromGirl
  • Aqua Blue/Silver
  • Off White/Gold

Long Cap Sleeve Prom Dress

$348.00 $179.00 CD-1009
In Stock Buy Mori Lee Floor Length Strapless Dress at PromGirl
  • Caribbean

Mori Lee Floor Length Strapless Dress

$358.00 $179.00 ML-95012
In Stock Buy Long One Shoulder Dress at PromGirl
  • Red
  • Black
  • Plum

Long One Shoulder Dress

$189.00 DQ-8309
In Stock Buy Floor Length Cap Sleeve Empire Waist JVN by Jovani Dress at PromGirl
  • Red
  • Navy
  • White

JVN by Jovani Long Cap Sleeve Evening Gown

$378.00 $199.00 JO-JVN-JVN93481
In Stock Buy Floor Length V-Neck Sequin Dress at PromGirl
  • Nude

Floor Length V-Neck Sequin Dress

$339.00 $199.00 PV-9838
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 Floor Length Lace Embellished Dress at PromGirl
  • Red

Floor Length Lace Embellished Dress

$334.00 $199.00 DJ-9576
In Stock Buy Floor Length Strapless La Femme Dress at PromGirl
  • Nude

Floor Length Strapless La Femme Dress

$450.00 $199.00 LF-20404
In Stock Buy Strapless Sweetheart Floor Length JVN by Jovani Dress at PromGirl
  • Purple

Strapless Evening Gown JVN by Jovani

$398.00 $199.00 JO-JVN-JVN89651
In Stock Buy Floor Length Strapless Sweetheart JVN by Jovani Dress at PromGirl
  • Blush
  • Mint
  • White

Strapless Prom Gown JVN by Jovani

$358.00 $199.00 JO-JVN-JVN88171
In Stock Buy Sleeveless V-Neck Floor Length JVN by Jovani Dress at PromGirl
  • Mint
  • Dusty Pink
  • White

Long Sleeveless V-Neck Dress JVN by Jovani

$398.00 $199.00 JO-JVN-JVN77476
In Stock Buy Long V-Neck Dress with Cap Sleeves at PromGirl
  • Bright Coral
  • Purple

Long V-Neck Dress with Cap Sleeves

$398.00 $199.00 ML-95062
In Stock Buy Elegant Strapless Sweetheart Gown at PromGirl
  • Cotton Candy Pink
  • Lemon
  • Light Mint
  • Light Purple

Long Strapless Dress by La Femme 20046

$398.00 $199.00 LF-20046
In Stock Buy La Femme 17472 V-neck Dress at PromGirl
  • Cotton Candy Pink
  • Platinum

Low Cut Prom Gown by La Femme

$478.00 $199.00 LF-17472
In Stock Buy Flowing Strapless Sweetheart Formal Gown at PromGirl
  • Watermelon
  • Apricot
  • Jungle Green
  • White

La Femme Long Strapless Dress 18774

$398.00 $199.00 LF-18774
In Stock Buy Full Length Strapless Sweetheart Dress at PromGirl
  • Jungle Green
  • Tropical Turquoise

Strapless Prom Gown by La Femme 18528

$278.00 $199.00 LF-18528
* 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.