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.

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In Stock Buy MO-12172W at PromGirl
  • Black

Black Open Back Plus Prom Dress

$99.00 $49.00 MO-12172W
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In Stock Buy SY-IXD-2972HP at PromGirl
  • Black

Black Floor Length Sleeveless Dress

$99.00 $49.00 SY-IXD-2972HP
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In Stock Buy MB-MX1311 at PromGirl
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In Stock Buy MB-MX1311g at PromGirl
  • Fuchsia
  • Rose

Lace Off-the-Shoulder Long Plus Dress

$119.00 $59.00 MB-MX1311g
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In Stock Buy MB-MX1311rs at PromGirl
  • Fuchsia
  • Rose

Off-the-Shoulder Lace Dress

$119.00 $59.00 MB-MX1311rs
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In Stock Buy TR-P10423-8P at PromGirl
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In Stock Buy JU-MA-292727 at PromGirl
  • Navy

Long Sleeveless Lace Navy Blue Dress

$129.00 $64.00 JU-MA-292727
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In Stock Buy JU-TI-895182 at PromGirl
  • Black

Black V-Neck Sleeveless Jumpsuit

$69.00 JU-TI-895182
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In Stock Buy SY-XD-19825 at PromGirl
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In Stock Buy SY-IXB1113EP at PromGirl
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In Stock Buy SY-XD-19825r at PromGirl
  • Royal
  • Red

Long Sleeveless Plus Dress

$79.00 SY-XD-19825r
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In Stock Buy SY-XD-19825rd at PromGirl
  • Royal
  • Red

Long Scoop Neck Sleeveless Dress

$79.00 SY-XD-19825rd
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In Stock Buy SY-IXD-2588VP at PromGirl
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In Stock Buy SY-XD20757H at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Plus Dress at PromGirl
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In Stock Buy DQ-8747P at PromGirl
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In Stock Buy SF-8793P at PromGirl
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In Stock Buy SF-8749P at PromGirl
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In Stock Buy FB-GL1376Pp at PromGirl
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In Stock Buy FB-GL1376Ppc at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Plus Dress at PromGirl
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In Stock Buy SY-IXD2676VP at PromGirl
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In Stock Buy JU-573L at PromGirl
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In Stock Buy DQ-9062 at PromGirl
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In Stock Buy DQ-9182 PLUS at PromGirl
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In Stock Buy DQ-9137P at PromGirl
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In Stock Buy DQ-9325P at PromGirl
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In Stock Buy DQ-9062b at PromGirl
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In Stock Buy SY-IXD2676VPr at PromGirl
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In Stock Buy SY-IXD2676VPy at PromGirl
  • Black
  • Red
  • Royal

Off-the-Shoulder Floor Length Dress

$149.00 SY-IXD2676VPy
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In Stock Buy DQ-9325Pc at PromGirl
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In Stock Buy FB-GL1309HP at PromGirl
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In Stock Buy JU-MA-292711I at PromGirl
  • Purple
  • Peach

Long Ruched Purple V-Back Prom Dress

$159.00 JU-MA-292711I
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In Stock Buy JU-MA-292710i at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Plus Dress at PromGirl
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In Stock Buy DQ-8913P at PromGirl
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In Stock Buy NA-8154P at PromGirl
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In Stock Buy High Neck Plus Size Prom Dress by Sydneys Closet at PromGirl
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In Stock Buy DQ-9283P at PromGirl
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* 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.