Plus Size Long Dresses

Looking for a long plus size dress with a burst of color, a touch of sparkle, or a elegant sophisticated style for your prom or formal? Then check out this amazing collection of long designer dresses in plus sizes. Long strapless dresses for prom, homecoming high low dresses, or dazzling beaded plus gowns that can take you down any red carpet. Whatever style you want PromGirl is sure to have a dress that will make any fashion diva happy and our guaranteed low prices make these dresses a must for your next formal.

Loved!

Be sure to sign up or login to save.

Cancel
Buy SY-XB951H at PromGirl
  • Black

V-Neck Sleeveless Jumpsuit

$69.00 SY-XB951H
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy SY-XD-19825 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy SY-XD-20419H at PromGirl
  • Black

V-Neck Black Dress with Print

$89.00 SY-XD-20419H
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy SY-IXD-2588VP at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy SY-IXD-2913HP at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy SY-IXD-2972HP at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy SY-XD20757H at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy SY-IXD2676VP at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-8747P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy JU-MA-292571i at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy MO-12172W at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy MO-21396W at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy MO-12173W at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Plus Size One Shoulder Ruched Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy NA-7126P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy JU-ON-944588 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9202P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Strapless Sweetheart Plus Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9137P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9111P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length A-Line Plus Formal Gown at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy JU-573L at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9062 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9182 PLUS at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-8712P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Strapless Sweetheart Dress  at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Strapless Sweetheart Plus Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy FB-GL1309HP at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Classic Strapless Sweetheart Evening Gown at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-8871P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Strapless Plus Size Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Sleeveless Floor Length Dress with Jewel Detailing at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-8913P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy NA-8154P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy NA-7124P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Strapless Sweetheart Plus Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Strapless Formal Plus Gown for Prom at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy NA-5118 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Strapless Sweetheart Floor Length Sequin Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9031 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9040P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-8975P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy NA-3135P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy One Shoulder Floor Length Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FB-GL1154 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy FB-GL1325XP at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy FB-GL1310 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9191P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9150P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy NA-8174P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-8645P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Strapless Sweetheart Floor Length Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Jewel Embellished Strapless Floor Length Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Strapless Sweetheart Floor Length Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy SC-SC7164 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FB-GL1322 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length One Shoulder Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9173P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9233P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-8999P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-9053P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FB-GL1315 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy DQ-9074 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FB-GL1333 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy DQ-8816P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy SC-SC7168 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy SC-SC7166 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy SC-SC7165 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy NA-8175P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy NA-8153P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy DJ-1146W at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy High Neck Plus Size Prom Dress by Sydneys Closet at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FB-GL1308 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Plus Size Strapless Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Sequin Strapless Sweetheart Floor Length Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Floor Length Illusion Dress with Long Sleeves at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FB-GL1305 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FB-GL1323 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
In Stock Buy Floor Length Sleeveless Plus Dress with Illusion Bodice by Dave and Johnny at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy DJ-1725W at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy DJ-2405W at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy NA-8157P at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy DJ-2522W at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy SC-SC7171 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy SC-SC7170 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Strapless Lace Prom Dress by Sydneys Closet at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FA-9379 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Long Black Illusion Sweetheart Plus Size Prom Dress by Blush at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Sydneys Closet Plus Size Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy High Neck Plus Size Prom Dress by Sydneys Closet at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FA-9383 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FA-9386 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FA-9373 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy High Neck Plus Size Prom Dress at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy SC-SC6009 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy SC-SC7179 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy SC-SC6010 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy SC-SC7177 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FA-9390 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Long V-Neck Open Back Plus Size Prom Dress by Blush at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Long Sequin High Neck Formal Gown by Faviana at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Strapless Sweetheart Plus Size Prom Dress by Blush at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FA-9388 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FA-9377 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Blue Strapless Plus Size Ball Gown Style Prom Dress by Blush at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Plus Size Strapless Sweetheart Prom Dress by Blush at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FA-9374 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FA-9375 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Long Chiffon Sweetheart Plus Size Prom Dress by Blush at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Purple Print Mermaid Style Plus Size Prom Dress by Blush at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Long Lace Sweetheart Plus Size Prom Dress by Blush at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy FA-9382 at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Blue Strapless Ball Gown Style Plus Size Prom Dress by Blush at PromGirl
Loved!

Be sure to sign up or login to save.

Cancel
Buy Plus Size Strapless Mermaid Style Prom Dress by Blush at PromGirl
* 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.