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.

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In Stock Buy Black Sleeveless Lace Floor Length Open Back Dress at PromGirl
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Buy SH-50255 at PromGirl
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In Stock Buy DQ-9173 at PromGirl
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In Stock Buy Lace Floor Length Sleeveless Dress 4155 at PromGirl
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In Stock Buy Blush Exclusive Floor Length Dress with Lace Bodice at PromGirl
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In Stock Buy DQ-9191 at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
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In Stock Buy SH-50097 at PromGirl
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In Stock Buy DQ-9282 at PromGirl
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In Stock Buy Sleeveless Open Back Floor Length Gown at PromGirl
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In Stock Buy Long V-neck Mori Lee Prom Dress  at PromGirl
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Buy CQ-4182DW at PromGirl
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In Stock Buy Floor Length Sleeveless V-Neck JVN by Jovani Dress at PromGirl
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In Stock Buy LP-22620 at PromGirl
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In Stock Buy Floor Length Sleeveless Dress with Lace Bodice at PromGirl
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In Stock Buy FA-7755 at PromGirl
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In Stock Buy DQ-9150 at PromGirl
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In Stock Buy Floor Length Sleeveless Dress with Sequin and Lace Bodice at PromGirl
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In Stock Buy Gorgeous La Femme Prom Dress at PromGirl
  • Midnight Blue
  • Coral
  • Nude
  • Black

Gorgeous La Femme Prom Dress

$250.00 LF-16802
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In Stock Buy Silver Sequin Criss Cross Back Prom Dress at PromGirl
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In Stock Buy Floor Length Sleevless Lace Dress at PromGirl
  • Red
  • Royal
  • Black

Long Sleeveless Lace Gown

$99.00 TW-4116
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In Stock Buy Strapless Black and White Dress at PromGirl
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In Stock Buy MB-6987 at PromGirl
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In Stock Buy Floor Length Sleeveless Dress at PromGirl
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In Stock Buy Open Back Sleeveless Long Sherri Hill Prom Dress at PromGirl
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In Stock Buy LP-21228 at PromGirl
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In Stock Buy Sleeveless Floor Length Lace Embellished Dress at PromGirl
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In Stock Buy Blush High Neck Long Gown at PromGirl
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In Stock Buy DQ-9137 at PromGirl
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In Stock Buy MD-D14211WWO at PromGirl
  • Black
  • Gold

Black Long Sleeve Glitter Dress

$149.00 MD-D14211WWo
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In Stock Buy Floor Length Sleeveless Lace Dress by Swing Prom at PromGirl
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In Stock Buy JT-605 at PromGirl
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In Stock Buy Floor Length Sleeveless Black Dress at PromGirl
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Buy Illusion Back Floor Length Lace Blush Prom Dress at PromGirl
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In Stock Buy Floor Length Sleeveless Dress with Jewel Detailing at PromGirl
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In Stock Buy Floor Length Mori Lee Prom Dress at PromGirl
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In Stock Buy DQ-9182 at PromGirl
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In Stock Buy Long Sleeve Floor Length Lace Dress at PromGirl
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In Stock Buy ML-132 at PromGirl
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In Stock Buy TW-4219 at PromGirl
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In Stock Buy JU-MA-262571i at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Jewel Embellished Dress Glamour by Terani at PromGirl
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In Stock Buy Floor Length Sleeveless Black V-Neck Dress by Emerald Sundae at PromGirl
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In Stock Buy Floor Length Prom Dress with Illusion Bodice at PromGirl
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In Stock Buy V-neck Floor Length Blush Dress at PromGirl
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In Stock Buy SG-ASAEE1AFB at PromGirl
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In Stock Buy Floor Length Dress with Embellished Waist at PromGirl
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In Stock Buy Floor Length Blush Gown  at PromGirl
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In Stock Buy Mock Two Piece Lace Dress at PromGirl
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In Stock Buy Black Floor Length Formal Gown  at PromGirl
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In Stock Buy Floor Length Sleeveless JVN by Jovani Dress at PromGirl
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In Stock Buy MB-6997 at PromGirl
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In Stock Buy Long Sleeveless Sequin Dress at PromGirl
  • Black
  • Gold
  • Silver
  • Red
  • Royal
  • Rose Gold

Long Sleeveless Sequin Dress

$99.00 DI-JM2018Y
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In Stock Buy Floor Length High Neck Dave and Johnny Dress at PromGirl
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In Stock Buy LP-23387 at PromGirl
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In Stock Buy Floor Length Short Sleeve Lace Dress at PromGirl
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In Stock Buy Two Piece Floor Length Lace Embellished Dress at PromGirl
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In Stock Buy DQ-9233 at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Dress 8789 at PromGirl
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In Stock Buy Embellished Floor Length JVN by Jovani Gown at PromGirl
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In Stock Buy SY-ID3099VP at PromGirl
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In Stock Buy Floor Length Lace Cap Sleeve Dress at PromGirl
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In Stock Buy  Floor Length Sleeveless Gown G411 with Illusion Bodice at PromGirl
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In Stock Buy DQ-9322 at PromGirl
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In Stock Buy Lace Floor Length Sleeveless Dress at PromGirl
  • Black
  • Beige
  • Pink

Long Lace Dress with Slit

$99.00 LP-22888
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In Stock Buy LF-22642 at PromGirl
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In Stock Buy Sleeveless Black Floor Length Open Back Dress at PromGirl
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In Stock Buy Classic Long Strapless Dress at PromGirl
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In Stock Buy Floor Length One Shoulder Dress by Blush at PromGirl
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In Stock Buy Mock Two Piece Elizabeth K Prom Dress at PromGirl
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In Stock Buy Floor Length Scoop Neck Prom Dress at PromGirl
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In Stock Buy Blush Exclusive Lace Bodice Evening Gown at PromGirl
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In Stock Buy BA-A15619 at PromGirl
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In Stock Buy Sleeveless Floor Length Lace Embellished Dress at PromGirl
  • Lilac
  • Coral
  • Blush
  • Mint

Pastel Lace Gown for Prom

$149.00 DQ-8769
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In Stock Buy Floor Length Floral Print Dress by Dave and Johnny at PromGirl
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In Stock Buy MY-2917IT2S at PromGirl
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In Stock Buy Sleeveless Floor Length Dress with Lace Bodice by Morgan at PromGirl
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In Stock Buy LF-21948 at PromGirl
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In Stock Buy MF-E1822 at PromGirl
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In Stock Buy Floor Length Sleeveless Sequin Embellished Dress at PromGirl
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In Stock Buy Long Two Piece Scoop Neck Dress 1817 by Dave and Johnny at PromGirl
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In Stock Buy DQ-9111 at PromGirl
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In Stock Buy Long One Shoulder Dress at PromGirl
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In Stock Buy Open Back Blush Prom Dress at PromGirl
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In Stock Buy TW-4168 at PromGirl
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In Stock Buy Sequin Hearts Black High Neck Empire Waist Prom Dress at PromGirl
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In Stock Buy Floor Length Cap Sleeve Dress by Sherri Hill at PromGirl
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In Stock Buy CQ-2020DK at PromGirl
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In Stock Buy Sleeveless Floor Length Dress with Lace Embellished Neckline at PromGirl
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In Stock Buy Dave and Johnny Floor Length Prom Dress at PromGirl
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In Stock Buy MY-2659IT1S at PromGirl
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In Stock Buy Floor Length Spaghetti Strap Lace Dress at PromGirl
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In Stock Buy Sherri Hill Two Piece 2015 Prom Dress at PromGirl
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In Stock Buy CQ-4131DK at PromGirl
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In Stock Buy MD-D14001AB at PromGirl
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In Stock Buy Long V-Neck Dress with a Sheer Back Glamour by Terani at PromGirl
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In Stock Buy Illusion Bodice Sequin Hearts Two Piece Long Prom Dress with Side Slit at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Red
  • Coral
  • Mint
  • Blush

Long Strapless Prom Gown

$179.00 DQ-8693
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In Stock Buy Blush Strapless Sweetheart A-Line Gown at PromGirl
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In Stock Buy MO-12175 at PromGirl
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In Stock Buy Sleeveless Floor Length Dress 12015 with Sheer Back by Morgan at PromGirl
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Buy Disney Cinderella Forever Enchanted Keepsake Gown by Xcite at PromGirl
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In Stock Buy LP-23490 at PromGirl
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In Stock Buy Long Lace Dress with Half Sleeves by Sally Fashion at PromGirl
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In Stock Buy One Shoulder Dress with Sheer Paneling at PromGirl
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In Stock Buy BN-56184 at PromGirl
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In Stock Buy Floor Length Cap Sleeve Prom Dress 7122 at PromGirl
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In Stock Buy Long Open Back Sweetheart Dress by Alyce at PromGirl
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In Stock Buy JU-48336 at PromGirl
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In Stock Buy Floor Length Prom Dress with Beaded Top at PromGirl
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In Stock Buy Floor Length High Neck Sherri Hill Dress at PromGirl
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In Stock Buy SG-ASWiF1AKF at PromGirl
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In Stock Buy Floor Length Strapless Dress with Sequin Detail by Jump at PromGirl
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In Stock Buy Sheer High Neck Floor Length Dress at PromGirl
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In Stock Buy Emerald Sundae Black Sleeveless Floor Length Dress at PromGirl
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In Stock Buy Long One Shoulder Dress at PromGirl
  • Red
  • Black

Long One Shoulder Dress

$189.00 DQ-8309
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In Stock Buy Long Open Back Sweetheart Gown by Faviana at PromGirl
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In Stock Buy MB-6935 at PromGirl
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In Stock Buy V-Neck Floor Length Dress with Sheer Back at PromGirl
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In Stock Buy High Neck Long Sherri Hill Formal Gown at PromGirl
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In Stock Buy LP-23262 at PromGirl
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In Stock Buy Floor Length One Shoulder Gown  at PromGirl
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In Stock Buy Floral Blue Two Piece Dress with Lace Top and Print Skirt by Blush at PromGirl
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In Stock Buy LP-23711 at PromGirl
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In Stock Buy Flowing Floor Length Gown at PromGirl
  • Purple
  • Burgundy

Long Formal Dress for Prom

$149.00 DQ-8115
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In Stock Buy LF-AV-0188 at PromGirl
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In Stock Buy One Shoulder Ombre Dress at PromGirl
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In Stock Buy CQ-3714DK at PromGirl
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In Stock Buy TI-DL300 Glamour by Terani at PromGirl
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In Stock Buy Long V-Neck Sequin Formal Dress at PromGirl
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In Stock Buy Sleeveless Floor Length Scoop Neck Dress at PromGirl
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In Stock Buy Floor Length Sleeveless Lace  JVN by Jovani Dress at PromGirl
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In Stock Buy Floor Length Prom Dress with Lace Embellished Bodice at PromGirl
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In Stock Buy Sleeveless Floor Length Open Back Dress ISD2851 at PromGirl
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In Stock Buy Sherri Hill Strapless Floor Length Dress at PromGirl
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In Stock Buy Jewel Embellished Sleeveless Floor Length Dress at PromGirl
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In Stock Buy Lace Illusion Long Sleeve Ivory Dress at PromGirl
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In Stock Buy Floor Length Sleeveless Dress with Illusion Bodice at PromGirl
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Buy Low Back Long Black Prom Dress with Train at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Glamour by Terani Gown at PromGirl
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In Stock Buy Floor Length V-Neck Sequin Prom Dress at PromGirl
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In Stock Buy Floor Length Cap Sleeve Dress with Illusion Bodice at PromGirl
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In Stock Buy Floor Length High Neck JVN by Jovani Dress at PromGirl
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In Stock Buy Long Lace Short Sleeve Dress at PromGirl
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In Stock Buy Two Piece Floor Length Dress 8156 at PromGirl
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In Stock Buy Mock Two Piece Gown by Brit Cameron at PromGirl
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In Stock Buy CQ-4365DK at PromGirl
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In Stock Buy Floor Length Sleeveless V-Neck Prom Dress at PromGirl
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In Stock Buy Strapless Sweetheart Ombre Formal Gown at PromGirl
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In Stock Buy Sleeveless Floor Length Dress with Jewel Detailing at PromGirl
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In Stock Buy IT-3495 at PromGirl
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In Stock Buy Blush Two Piece High Neck White Dress at PromGirl
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In Stock Buy DQ-9223 at PromGirl
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In Stock Buy Open Back Floor Length Dress G432 at PromGirl
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In Stock Buy LF-AV-0144 at PromGirl
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In Stock Buy SG-ASWiF1AHA at PromGirl
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In Stock Buy MB-6993 at PromGirl
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In Stock Buy Floor Length Lace Embellished JVN by Jovani Dress at PromGirl
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In Stock Buy Sleeveless Floor Length Dress with Illusion Bodice 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.