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 FA-7755 at PromGirl
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In Stock Buy SY-ID3533VP at PromGirl
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In Stock Buy ML-132 at PromGirl
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In Stock Buy FB-GL1376P at PromGirl
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In Stock Buy NC-7237 at PromGirl
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In Stock Buy TR-D12301-1 at PromGirl
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In Stock Buy Gorgeous La Femme Prom Dress at PromGirl
  • Coral
  • Midnight Blue
  • Nude
  • Black

Gorgeous La Femme Prom Dress

$250.00 LF-16802
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In Stock Buy Floor Length Sleeveless Dress with Lace Bodice at PromGirl
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In Stock Buy SH-50255 at PromGirl
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In Stock Buy Floor Length Sleevless Lace Dress at PromGirl
  • Red
  • Black

Long Sleeveless Lace Gown

$99.00 TW-4116
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In Stock Buy Long V-neck Mori Lee Prom Dress  at PromGirl
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In Stock Buy MB-7102L53 at PromGirl
  • Ivory/Blue

V-Neck Floral Print Maxi Dress

$79.00 MB-7102L53
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In Stock Buy Floor Length Two Piece Spaghetti Strap Dress by Dave and Johnny 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 Floor Length Sleeveless V-Neck JVN by Jovani Dress at PromGirl
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In Stock Buy Floor Length Sleeveless Black Dress at PromGirl
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In Stock Buy JO-JVN-JVN33701 at PromGirl
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Buy SY-D20045H at PromGirl
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In Stock Buy Floor Length Lace Cap Sleeve Dress at PromGirl
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In Stock Buy SG-ASAEE1AFB at PromGirl
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In Stock Buy Long Embroidered Open Back Jersey Mori Lee Prom Dress at PromGirl
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In Stock Buy DQ-9191 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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Buy SG-ASAEE1AFB-B at PromGirl
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In Stock Buy LF-AV-0701 at PromGirl
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In Stock Buy Strapless High Low Dress at PromGirl
  • White
  • Black

Strapless High Low Dress

$119.00 DQ-8402
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In Stock Buy One Shoulder Floor Length Lace Dress by Mori Lee at PromGirl
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In Stock Buy DQ-9400 at PromGirl
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In Stock Buy Long Prom Dress with Sheer Bodice by Mori Lee at PromGirl
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Buy DQ-9524 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-9325 at PromGirl
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In Stock Buy TI-DL300 Glamour by Terani at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Dress 8789 at PromGirl
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In Stock Buy Floor Length Sleeveless Lace Dress by Swing Prom at PromGirl
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Buy SY-ID3477HP 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 MB-7003 at PromGirl
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In Stock Buy BL-IN-130 at PromGirl
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In Stock Buy Floor Length Sleeveless Dress at PromGirl
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Buy SY-ID3147VM 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 EM-CKL-1733-710 at PromGirl
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In Stock Buy Floor Length Mori Lee Prom Dress at PromGirl
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In Stock Buy MB-6997 at PromGirl
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In Stock Buy Floor Length Sleeveless V-Neck JVN by Jovani Dress at PromGirl
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Buy SY-ID3349VP at PromGirl
  • Black
  • Pink

Floor Length Deep V-Neck Dress

$89.00 SY-ID3349VP
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In Stock Buy Long Gigi Two Piece High Neck Prom Dress at PromGirl
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In Stock Buy LT-LD9766 at PromGirl
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In Stock Buy Long Cap Sleeve Sherri Hill 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 LF-22824 at PromGirl
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Buy FA-7904 at PromGirl
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In Stock Buy DQ-9264 at PromGirl
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In Stock Buy Blush High Neck Long Gown at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
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In Stock Buy Floor Length High Neck Dave and Johnny Dress at PromGirl
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In Stock Buy FA-7894 at PromGirl
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In Stock Buy Long Jersey V-Neck Dress by Faviana at PromGirl
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In Stock Buy DQ-9182 at PromGirl
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In Stock Buy BL-11009 at PromGirl
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In Stock Buy Floor Length Sleeveless Sequin Dress at PromGirl
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In Stock Buy One Shoulder Dress with Sheer Paneling at PromGirl
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Buy SH-50760 at PromGirl
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In Stock Buy ML-124 at PromGirl
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In Stock Buy LP-23254 at PromGirl
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In Stock Buy Lace Floor Length Sleeveless Dress at PromGirl
  • Black (Black/Black)
  • Beige (Beige/Beige)
  • Black/Beige
  • Navy
  • Red
  • Royal Blue
  • Blush

Long Lace Dress with Slit

$99.00 LP-22888
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In Stock Buy FA-7747 at PromGirl
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Buy LP-24056 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 JU-MA-262571i at PromGirl
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In Stock Buy Sherri Hill Two Piece Dress with Embroidered Top at PromGirl
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Buy Silver Sequin Criss Cross Back Prom Dress at PromGirl
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In Stock Buy NC-1236 at PromGirl
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Buy SY-ID2605VP at PromGirl
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In Stock Buy FA-7744 at PromGirl
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In Stock Buy LP-23711 at PromGirl
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In Stock Buy Floor Length Sleeveless Prom Dress 1725 by Dave and Johnny at PromGirl
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In Stock Buy DQ-9322 at PromGirl
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In Stock Buy Full Length V-Neck Formal Gown by Faviana at PromGirl
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Buy NA-8256 at PromGirl
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In Stock Buy Sheer Waist Illusion Sweetheart Long Alyce Prom Dress at PromGirl
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In Stock Buy Sleeveless Floor Length Lace Embellished Dress at PromGirl
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In Stock Buy Illusion Back Floor Length Lace Blush Prom Dress at PromGirl
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In Stock Buy Illusion Top Racerback Floor Length Dress at PromGirl
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In Stock Buy LF-22642 at PromGirl
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Buy FA-7902 at PromGirl
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In Stock Buy Glamorous Two Piece Blush Prom Dress with Slit at PromGirl
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In Stock Buy Floor Length Short Sleeve Formal Gown 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 CQ-4182DW at PromGirl
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In Stock Buy Embellished Floor Length JVN by Jovani Gown at PromGirl
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Buy FA-7901 at PromGirl
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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 LP-23397 at PromGirl
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In Stock Buy LF-22380 at PromGirl
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In Stock Buy Floor Length One Shoulder Gown  at PromGirl
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In Stock Buy La Femme Floor Length Dress with Sweetheart Neckline at PromGirl
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In Stock Buy BL-11010 at PromGirl
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In Stock Buy Two Piece Floor Length Dress with Illusion Bodice at PromGirl
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In Stock Buy PV-1262 at PromGirl
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Buy TE-T1053 at PromGirl
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In Stock Buy Strapless Sweetheart Faviana Dress at PromGirl
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In Stock Buy LP-23387 at PromGirl
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In Stock Buy Long Two Piece Sherri Hill Prom Dress at PromGirl
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In Stock Buy LP-23624 at PromGirl
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In Stock Buy ML-122 at PromGirl
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In Stock Buy Sleeveless Floor Length Ruched Dress by Elizabeth K at PromGirl
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In Stock Buy Floor Length Blush Gown  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 FA-7716 at PromGirl
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In Stock Buy Long One Shoulder Dress at PromGirl
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In Stock Buy DQ-9240 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 Floor Length Cap Sleeve Dress with Illusion Bodice at PromGirl
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In Stock Buy LF-AV-0200 at PromGirl
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In Stock Buy Floor Length Short Sleeve Lace Dress 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 Blush Strapless Sweetheart A-Line Gown at PromGirl
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In Stock Buy Chiffon Overlay Floor Length Sequin Prom Dress by Elizabeth K at PromGirl
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In Stock Buy Scala-48557 at PromGirl
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In Stock Buy Floor Length One Shoulder Dress at PromGirl
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In Stock Buy AL-35771 at PromGirl
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In Stock Buy LP-23239 at PromGirl
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In Stock Buy Burgundy Lace Floor Length Open Back Dress at PromGirl
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In Stock Buy Two Piece Floral Print Sherri Hill Prom Dress at PromGirl
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In Stock Buy Floor Length Strapless Dress at PromGirl
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In Stock Buy Flowing Floor Length Gown at PromGirl
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In Stock Buy LF-AV-0834 at PromGirl
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In Stock Buy Sweetheart Long La Femme Sleeveless Prom Dress at PromGirl
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In Stock Buy High Neck Two Piece Long Dress at PromGirl
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In Stock Buy Floor Length Sleeveless Dress at PromGirl
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In Stock Buy Elegant Classic Strapless Chiffon Prom Dress by Blush at PromGirl
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In Stock Buy Mock Two Piece Lace Dress at PromGirl
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In Stock Buy Strapless Black and White Dress at PromGirl
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In Stock Buy LP-23305 at PromGirl
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In Stock Buy Long Prom Dress with Side Cut Outs by La Femme at PromGirl
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In Stock Buy Long Sleeveless Dress with Matching Lace Jacket 8466 by Sally Fashion 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.