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 MO-12158 at PromGirl
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In Stock Buy CQ-2279DW at PromGirl
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In Stock Buy CQ-3567DK at PromGirl
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In Stock Buy MB-6929 at PromGirl
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In Stock Buy Black Halter Jumpsuit 3422RK at PromGirl
  • Black

Black Halter Jumpsuit 3422RK

$59.00 $29.00 CQ-3422RK
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In Stock Buy MO-12023 at PromGirl
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In Stock Buy JU-47051 at PromGirl
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In Stock Buy Sleeveless Floor Length V-Neck Dress by Sequin Hearts at PromGirl
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In Stock Buy MO-12019 at PromGirl
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In Stock Buy Floor Length Sleeveless Sequin Hearts Dress with Pleated Skirt at PromGirl
  • Neon Coral

Neon Coral Pleated Dress by Sequin Hearts

$149.00 $49.00 MY-6640SK1S
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In Stock Buy MY-2275XY1S at PromGirl
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In Stock Buy JU-48372 at PromGirl
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In Stock Buy Strapless Floor Length Dress with Sequin Detailed Bodice at PromGirl
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In Stock Buy MB-7003 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 SG-ASWiF1AHA at PromGirl
  • Red

Red Sleeveless Prom Dress with Lace Bodice

$149.00 $49.00 SG-ASWiF1AHA
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In Stock Buy CT-8420ZK8B at PromGirl
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In Stock Buy Sleeveless Floor Length V-Neck Lace Dress by Bee Darlin at PromGirl
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In Stock Buy MO-12210 at PromGirl
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In Stock Buy Strapless Sweethear Pleated Floor Length Dress by Sequin Hearts at PromGirl
  • Purple

Long Strapless Prom Dress by Sequin Hearts

$149.00 $49.00 MY-2288SK1S
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In Stock Buy CQ-5066DK at PromGirl
  • Black

Long Black Low V-Neck Dress

$99.00 $49.00 CQ-5066DK
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In Stock Buy CQ-5229DW at PromGirl
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In Stock Buy Floor Length Long Sleeve Black Cut-Out Dress at PromGirl
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In Stock Buy CT-8420EP1B at PromGirl
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In Stock Buy CQ-3131DK at PromGirl
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In Stock Buy LP-23131 at PromGirl
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In Stock Buy Long Sleeveless Dress with Jewel Embellished Waist by Sequin Hearts at PromGirl
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In Stock Buy Sleeveless V-Neck Floor Length Dress  by Blondie Nites at PromGirl
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In Stock Buy LP-23587 at PromGirl
  • Black

Long Halter Bow Keyhole Black Dress

$149.00 $49.00 LP-23587
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In Stock Buy CQ-2769DK at PromGirl
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In Stock Buy CT-8415DE5B at PromGirl
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In Stock Buy LP-23208 at PromGirl
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In Stock Buy BN-55110 at PromGirl
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In Stock Buy Floor Length V-Neck Ruched Dress by Hailey Logan at PromGirl
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In Stock Buy TW-4202 at PromGirl
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In Stock Buy JU-ON-644728 at PromGirl
  • Gunmetal

Long Chiffon Backless Dress by Onyx

$149.00 $49.00 JU-ON-644728
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In Stock Buy SS-X32721HVS at PromGirl
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In Stock Buy TR-D12301-1 at PromGirl
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In Stock Buy INA-IDA70640 at PromGirl
  • Raspberry

Floral Spaghetti Strap Maxi Dress

$59.00 INA-IDA70640
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In Stock Buy MY-9101CQ1D at PromGirl
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In Stock Buy Mock Two Piece Dress with Sequin Embellished Bodice at PromGirl
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In Stock Buy MQ-3600799 at PromGirl
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In Stock Buy MD-D14001AB at PromGirl
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In Stock Buy Sleeveless Scoop Neck Floor Length Dress with Adjustable Straps at PromGirl
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In Stock Buy LP-23239 at PromGirl
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In Stock Buy EM-CKL-1733-710 at PromGirl
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In Stock Buy SS-X32331J33 at PromGirl
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In Stock Buy LP-23254 at PromGirl
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In Stock Buy Floor Length Short Sleeve Formal Gown at PromGirl
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In Stock Buy Sleeveless Floor Length Lace Embellished Dress at PromGirl
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In Stock Buy CQ-2304DK at PromGirl
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In Stock Buy TX-690617084I at PromGirl
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In Stock Buy MB-6997 at PromGirl
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In Stock Buy CQ-4699DK at PromGirl
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In Stock Buy MB-7001 at PromGirl
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In Stock Buy LP-23316 at PromGirl
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In Stock Buy MO-12143 at PromGirl
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In Stock Buy Cap Sleeve Floor Length Lace Dress 11809 at PromGirl
  • Peach
  • Blue

Long Cap Sleeve Lace Dress by Morgan

$249.00 $69.00 MO-11809
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In Stock Buy LP-23305 at PromGirl
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In Stock Buy LP-23450 at PromGirl
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In Stock Buy Sleeveless V-Neck Ivory Dress with Adjustable Straps at PromGirl
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Buy LT-LD9173 at PromGirl
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In Stock Buy MO-21387 at PromGirl
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In Stock Buy MO-11971 at PromGirl
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In Stock Buy BN-56159 at PromGirl
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In Stock Buy EM-CIN-1003-001 at PromGirl
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In Stock Buy MT-8016 at PromGirl
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In Stock Buy MO-12190 at PromGirl
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In Stock Buy JU-MA-262869 at PromGirl
  • Wine
  • Emerald

Floor Length Halter Dress with Side Slit

$149.00 $74.00 JU-MA-262869
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In Stock Buy Floor Length Strapless Sweetheart Dress  at PromGirl
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In Stock Buy Floor Length Sleeveless Dress by City Triangles at PromGirl
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In Stock Buy CQ-3661DK at PromGirl
  • Electric Blue

Long Lace Illusion Jersey Prom Dress

$149.00 $74.00 CQ-3661DK-v
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In Stock Buy SG-ASAEE1AFB at PromGirl
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In Stock Buy MB-6925 at PromGirl
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In Stock Buy CQ-4395DW at PromGirl
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In Stock Buy SG-ASAEE1AFB-B 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 Scoop Neck Prom Dress at PromGirl
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In Stock Buy Long Sleeveless Bead Embellished Dress by Morgan at PromGirl
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In Stock Buy LT-LD9766 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 MD-JS14657ADK at PromGirl
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In Stock Buy Sleeveless Floor Length Dress with Lace Detailing at PromGirl
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In Stock Buy Strapless Black and White Dress at PromGirl
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In Stock Buy IT-3417 at PromGirl
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In Stock Buy Floor Length Sleeveless Empire Waist Dress at PromGirl
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In Stock Buy Floor Length Black Formal Dress at PromGirl
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In Stock Buy MO-12173 at PromGirl
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In Stock Buy SY-D20045H at PromGirl
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In Stock Buy Floor Length Sequin Embellished Lace Dress at PromGirl
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In Stock Buy SY-ID2982VP at PromGirl
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In Stock Buy SF-8827 at PromGirl
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In Stock Buy Sleeveless Scoop Neck Floor Length Dress with Lace Bodice by Morgan at PromGirl
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In Stock Buy CQ-3350DK at PromGirl
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In Stock Buy SG-ASAIP1AMR at PromGirl
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In Stock Buy MO-12132 at PromGirl
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In Stock Buy BN-56126 at PromGirl
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In Stock Buy Long One Shoulder Ruched Sweetheart Dress by Elizabeth K. at PromGirl
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In Stock Buy MT-7957 at PromGirl
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In Stock Buy SF-8834 at PromGirl
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In Stock Buy CQ-4182DW at PromGirl
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In Stock Buy Floor Length Sleeveless Black Dress at PromGirl
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In Stock Buy Sleeveless Open Back Floor Length Gown at PromGirl
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In Stock Buy LP-23397 at PromGirl
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In Stock Buy Sleeveless Floor Length Open Back Dress ISD2851 at PromGirl
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Buy SY-ID4129VP at PromGirl
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In Stock Buy Flowing Floor Length Gown at PromGirl
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In Stock Buy Lace Floor Length Sleeveless Dress 4155 at PromGirl
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In Stock Buy MT-7940 at PromGirl
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In Stock Buy LP-23711 at PromGirl
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In Stock Buy TW-4218 at PromGirl
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In Stock Buy Lace Floor Length Sleeveless Dress at PromGirl
  • Black (Black/Black)
  • Beige (Beige/Beige)
  • Black/Beige
  • Red
  • Navy
  • Royal Blue
  • Blush

Long Lace Dress with Slit

$99.00 LP-22888
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In Stock Buy MCR-2072 at PromGirl
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In Stock Buy TW-4168 at PromGirl
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In Stock Buy Floor Length Open Back Formal Gown by Faviana at PromGirl
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In Stock Buy Long Prom Dress by Faviana at PromGirl
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In Stock Buy MO-12089 at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Dress 8789 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 LP-23624 at PromGirl
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In Stock Buy MT-7626 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 Sleeveless Black Floor Length Open Back Dress at PromGirl
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In Stock Buy Dress with Ruffled Back at PromGirl
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In Stock Buy Long Strapless Dress with Side Cut Outs at PromGirl
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In Stock Buy CQ-2760DK at PromGirl
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In Stock Buy SG-ASANTJ57 at PromGirl
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In Stock Buy MO-12146 at PromGirl
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In Stock Buy Full Length Strapless Chiffon Dress at PromGirl
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In Stock Buy Floor Length Sleeveless Lace Dress at PromGirl
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In Stock Buy Classic Long Strapless Dress at PromGirl
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In Stock Buy Lace Floor Length Open Back Dress at PromGirl
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In Stock Buy JU-MA-262571i 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 LP-23461 at PromGirl
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In Stock Buy MB-6924 at PromGirl
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In Stock Buy SG-ASATQBCV at PromGirl
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In Stock Buy MO-12175 at PromGirl
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In Stock Buy DQ-9240 at PromGirl
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In Stock Buy IT-3444 at PromGirl
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In Stock Buy LP-21228 at PromGirl
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In Stock Buy MO-12205 at PromGirl
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In Stock Buy LP-23503 at PromGirl
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In Stock Buy Floor Length Sleeveless Formal Dress 8800 by Sally Fashion at PromGirl
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In Stock Buy DMO-J311276 at PromGirl
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In Stock Buy JU-48338 at PromGirl
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In Stock Buy MO-11925 at PromGirl
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In Stock Buy MB-7092AF10 at PromGirl
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In Stock Buy Floor Length Sleeveless Sequin Embellished Dress at PromGirl
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In Stock Buy MO-21441 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.