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 Strapless Glitter Peplum Dress at PromGirl
  • Coral

Coral Glitter Peplum Dress

$129.00 $19.00 EM-CHL-1023-680
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In Stock Buy Floor Length Spaghetti Strap Dress by Jump at PromGirl
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In Stock Buy EM-CBZ-2553-406 at PromGirl
  • Blue/Multi

Blue Multi Print Strapless Maxi Dress

$49.00 $24.00 EM-CBZ-2553-406
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In Stock Buy LP-50004 at PromGirl
  • Black
  • Blush

Black Cap Sleeve Cut-Out Long Dress

$99.00 $29.00 LP-50004
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In Stock Buy MO-12158 at PromGirl
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In Stock Buy CQ-3567DK at PromGirl
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In Stock Buy Floor Length Strapless Dress with Embellished Waist at PromGirl
  • Neon Hot Coral

Strapless Prom Gown by City Triangles

$149.00 $29.00 CT-8420DW3B
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In Stock Buy MB-6958 at PromGirl
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In Stock Buy CQ-2761DW at PromGirl
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In Stock Buy Floor Length Sleeveless Sequin Hearts Dress with Jewel Detailing at PromGirl
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In Stock Buy CT-7721GF5A 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 Lace Spaghetti Strap Dress with Slit at PromGirl
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In Stock Buy CQ-2279DW at PromGirl
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In Stock Buy MB-6929 at PromGirl
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In Stock Buy LUX-LD2150 at PromGirl
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In Stock Buy AS-i376192Z9 at PromGirl
  • Navy/Coral

Long Spaghetti Strap Print Maxi Dress

$59.00 $29.00 AS-i376192Z9
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In Stock Buy Floor Length Strapless Dress by City Triangles at PromGirl
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In Stock Buy CQ-4365DK at PromGirl
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In Stock Buy SG-ADAMM1AKE at PromGirl
  • Multi

Scoop Neck Handkerchief Dress

$69.00 $34.00 SG-ADAMM1AKE
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In Stock Buy LP-23239-v at PromGirl
  • Black

Spaghetti Strap Long Chiffon Prom Dress

$69.00 $34.00 LP-23239-v
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In Stock Buy MB-7003-v at PromGirl
  • Black

Black Long Glitter Dress with Sleeves

$69.00 $34.00 MB-7003-v
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In Stock Buy LP-23254-v at PromGirl
  • Coral (Red)

Red Long Lace Prom Dress

$69.00 $34.00 LP-23254-v
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In Stock Buy SS-X32331J33-v at PromGirl
  • Black

Long Black Illusion Sweetheart Formal Dress

$69.00 $34.00 SS-X32331J33-v
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In Stock Buy LP-23316-v at PromGirl
  • Black

Empire Waist Long Sweetheart Prom Dress

$69.00 $34.00 LP-23316-v
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In Stock Buy EM-CBZ-2481-438 at PromGirl
  • Navy/Multi

Multi Print Strapless Maxi Dress

$69.00 $39.00 EM-CBZ-2481-438
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In Stock Buy JU-47051 at PromGirl
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In Stock Buy MB-6300 at PromGirl
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In Stock Buy MO-12023 at PromGirl
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In Stock Buy Lace Floor Length Strapless Sweetheart Dress at PromGirl
  • Eggplant
  • Royal

Long Strapless Lace Dress

$129.00 $39.00 DI-K0347B
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In Stock Buy Long Spaghetti Strap Dress with Jewel Embellished Bodice by Bee Darlin at PromGirl
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In Stock Buy EM-CIN-1003-001 at PromGirl
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In Stock Buy Red Floor Length Halter Prom Dress by Sequin Hearts at PromGirl
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In Stock Buy JU-48372 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 SG-ASWiF1AHA at PromGirl
  • Red
  • Navy/Putty

Red Sleeveless Prom Dress with Lace Bodice

$149.00 $49.00 SG-ASWiF1AHA
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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 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 MO-12019 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 Strapless Floor Length Dress with Sequin Detailed Bodice at PromGirl
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In Stock Buy LP-23131 at PromGirl
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In Stock Buy CQ-2608DW at PromGirl
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In Stock Buy MQ-8900809 at PromGirl
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In Stock Buy BA-A17575 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 Full Length Strapless Formal Gown at PromGirl
  • Fuchsia
  • Lime

Full Length Strapless Formal Gown

$189.00 $49.00 DQ-8116
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In Stock Buy BA-A17571 at PromGirl
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In Stock Buy One Shoulder Ombre Dress at PromGirl
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In Stock Buy MB-6857 at PromGirl
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In Stock Buy MO-12161 at PromGirl
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In Stock Buy Sleeveless Scoop Neck Floor Length Dress at PromGirl
  • Red

Floor Length Beaded Neckline Dress

$199.00 $49.00 IT-3290
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In Stock Buy BA-A17693 at PromGirl
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In Stock Buy BN-55110 at PromGirl
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In Stock Buy Black Two Piece As U Wish Floor Length Dress at PromGirl
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In Stock Buy BA-A17586 at PromGirl
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In Stock Buy JU-728 at PromGirl
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In Stock Buy MT-7469-1 at PromGirl
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In Stock Buy JU-48337 at PromGirl
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In Stock Buy JU-48336 at PromGirl
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In Stock Buy MO-12162 at PromGirl
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In Stock Buy MB-6324 at PromGirl
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In Stock Buy Beaded Purple Prom Dress by Jump at PromGirl
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In Stock Buy CT-8420ZK8B at PromGirl
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In Stock Buy LF-AV-0830 at PromGirl
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In Stock Buy CQ-2769DK at PromGirl
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In Stock Buy MT-7535 at PromGirl
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In Stock Buy MO-12147 at PromGirl
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In Stock Buy CQ-2482DK at PromGirl
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In Stock Buy CQ-2405DK at PromGirl
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In Stock Buy MB-6966 at PromGirl
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In Stock Buy MO-12210 at PromGirl
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In Stock Buy TW-4202 at PromGirl
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In Stock Buy MB-6959 at PromGirl
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In Stock Buy CQ-5229DW at PromGirl
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In Stock Buy IT-3486 at PromGirl
  • Black/Ivory

Mock Two-Piece Dress with Side Slit

$199.00 $49.00 IT-3486
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In Stock Buy LP-23208 at PromGirl
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In Stock Buy Sheer Back Long Illusion Neckline Prom Dress at PromGirl
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In Stock Buy WC-K3139 at PromGirl
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In Stock Buy MT-7463-1 at PromGirl
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In Stock Buy CT-8420EP1B at PromGirl
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In Stock Buy SG-ASAIK1AMJ at PromGirl
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In Stock Buy MY-2275XY1S 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 MF-B570 at PromGirl
  • Red
  • Ivory
  • Royal

Long Spaghetti Strap Prom Dress

$129.00 $49.00 MF-B570
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In Stock Buy Long One Shoulder Dress at PromGirl
  • Black

One Shoulder Prom Gown

$99.00 $49.00 DQ-8324
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In Stock Buy MB-7077AF11 at PromGirl
  • Tomato Red

Red Sleeveless Floor Length Dress

$99.00 $49.00 MB-7077AF11
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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 Floor Length V-Neck Ruched Dress by Hailey Logan at PromGirl
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In Stock Buy CT-8415DE5B at PromGirl
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In Stock Buy MB-6713 at PromGirl
  • Black/Nude

Black and Nude Lace Prom Dress

$99.00 $49.00 MB-6713
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In Stock Buy TW-4194 at PromGirl
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In Stock Buy CQ-2855DK at PromGirl
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In Stock Buy CQ-3131DK at PromGirl
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In Stock Buy WC-K3240 at PromGirl
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In Stock Buy JU-MA-262572i-v at PromGirl
  • Red

Red Long Sleeve Ruched Long Formal Dress

$99.00 $49.00 JU-MA-262572i-v
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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 SY-IB1114EH at PromGirl
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In Stock Buy CQ-4646DK at PromGirl
  • Black

Black Beaded Long Sleeve Evening Dress

$109.00 $54.00 CQ-4646DK
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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 MY-9101CQ1D at PromGirl
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In Stock Buy MO-12128 at PromGirl
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In Stock Buy INA-IDA70640 at PromGirl
  • Caribbean
  • Raspberry

Floral Spaghetti Strap Maxi Dress

$59.00 INA-IDA70640
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In Stock Buy V-Neck Sleeveless Prom Dress with High Slit at PromGirl
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In Stock Buy JU-ON-644767i 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 BN-56139 at PromGirl
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In Stock Buy MQ-3600799 at PromGirl
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In Stock Buy MY-2917IT2S at PromGirl
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In Stock Buy V-Neck Navy Blue Embroidered Lace Dress at PromGirl
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In Stock Buy TW-4216 at PromGirl
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In Stock Buy Long Black Sleeveless Illusion Side Panel Dress at PromGirl
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In Stock Buy MB-7003 at PromGirl
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In Stock Buy Sleeveless Floor Length Lace Embellished Dress at PromGirl
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In Stock Buy LP-23239 at PromGirl
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In Stock Buy LP-23397 at PromGirl
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In Stock Buy EM-CKL-1733-710 at PromGirl
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In Stock Buy Floor Length Short Sleeve Formal Gown at PromGirl
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In Stock Buy LP-23254 at PromGirl
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In Stock Buy MB-6997 at PromGirl
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In Stock Buy MD-D14001AB at PromGirl
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In Stock Buy LP-23305 at PromGirl
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In Stock Buy SS-X32331J33 at PromGirl
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In Stock Buy MB-7001 at PromGirl
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In Stock Buy LP-23450 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 CQ-4699DK at PromGirl
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In Stock Buy LP-23316 at PromGirl
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In Stock Buy Sleeveless Sequin and Fringe Dress at PromGirl
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In Stock Buy TX-690617084I at PromGirl
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In Stock Buy CQ-2304DK at PromGirl
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In Stock 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 MO-12131 at PromGirl
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In Stock Buy Sleeveless V-Neck Ivory Dress with Adjustable Straps at PromGirl
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In Stock Buy MO-12156 at PromGirl
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In Stock Buy MO-12143 at PromGirl
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In Stock Buy SY-ID3099VP 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 SY-D-20656V at PromGirl
  • Black
  • Ivory
  • Red

High Low Halter Dress

$69.00 SY-D-20656V
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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 Long One Shoulder Sweetheart Dress at PromGirl
  • Royal Blue

Long One Shoulder Sweetheart Dress

$139.00 $69.00 DQ-8341
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In Stock Buy BN-55564 at PromGirl
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In Stock Buy Dark Teal Floor Length Sleeveless Dress at PromGirl
  • Gray

Dark Teal Floor Length Sleeveless Dress

$129.00 $69.00 SI-11341-vt
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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 JU-MA-262811 at PromGirl
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In Stock Buy Floor Length V-Neck Sleeveless Dress at PromGirl
  • Green

Floor Length V-Neck Sleeveless Dress

$149.00 $74.00 SI-11526
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In Stock Buy MO-12190 at PromGirl
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In Stock Buy Floor Length High Neck Navy Blue Formal Dress at PromGirl
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In Stock Buy Floor Length Open Back Ivory Gown by Morgan at PromGirl
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In Stock Buy Floor Length Halter Prom Dress by Masquerade at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Dress  at PromGirl
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In Stock Buy MD-D14211WWo-v at PromGirl
  • Gold

Long Sleeve Gold Glitter Prom Dress

$149.00 $74.00 MD-D14211WWo-v
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In Stock Buy Floor Length Sleeveless Dress by City Triangles at PromGirl
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In Stock Buy SG-ASAEE1AFB-B at PromGirl
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In Stock Buy SG-ASAEE1AFB 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
* 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.