2020 Long Prom Dresses and Prom Gowns

Every girl deserves the long prom dress of her dreams. If you’re looking for a long dress or evening gown for prom, make PromGirl your go-to online prom dress shop. If you’re looking for a long dress or evening gown for prom, make PromGirl your go-to online prom dress shop. You'll find a huge selection of long prom dresses and formal gowns that will make prom a fantasy dream come true.

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1,514 Dresses

High-Neck Chiffon Ruched Long Prom Dress
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Glitter-Knit Long Faux-Wrap Prom Dress
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Long Lace-Back Chiffon Prom Dress by Simply
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Open-Back Blueberry Blue Prom Dress by PromGirl
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Long Off-the-Shoulder Sherri Hill Prom Dress
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Long V-Neck Sequin Alyce Prom Dress
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Long Flowing Chiffon A-Line Prom Dress
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Sequin-Bodice Long Black Prom Dress by PromGirl
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V-Neck High-Low PromGirl Prom Dress with Pockets
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Strapless Sweetheart Long Prom Dress by PromGirl
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Long Scala Fitted Sequin V-Neck Prom Dress
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Long Sequin Strapless Prom Dress with a Train
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Long Dusty Blue Glitter Prom Dress by PromGirl
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Long Open V-Back Soft A-Line Prom Dress
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JO-JVN-JVN4410

Long Open V-Back Soft A-Line Prom Dress

$376

Light Blue
Long V-Neck Sequin-Pattern Prom Dress by PromGirl
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Long Silver Sequin Cold-Shoulder Prom Dress
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Long Glitter-Knit Formal Prom Dress by PromGirl
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V-Neck Long Open-Back Prom Dress
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SY-ID4148VY In Stock

V-Neck Long Open-Back Prom Dress

$149

Burgundy Navy
Long Deep V-Neck Glitter Prom Dress by Alyce
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Long Fitted Glitter Prom Dress by Faviana
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V-Neck Formal Prom Dress with Double Side Slits
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PromGirl Formal Prom Dress with Embroidered Bodice
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PromGirl Long Two-Piece Prom Dress with Pockets
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