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Welcome to koutun Dress

Collection: Long Prom Dresses

Discover our stunning collection of long prom dresses designed to make you shine on your special night. From flowing A-line silhouettes to dramatic ball gowns, our floor-sweeping styles offer timeless elegance and modern glamour.Whether you're looking for a classic princess gown or a sleek, sophisticated maxi dress, our long prom dress collection has the perfect style for you. Shop now and find your dream dress!

Mermaid / Trumpet Prom Dresses Sparkle & Shine Dress Wedding Guest Formal Evening Sweep / Brush Train Long Sleeve One Shoulder Sequined with Sequin

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Mermaid / Trumpet Prom Dresses Sparkle & Shine Dress Wedding Guest Formal Evening Sweep / Brush Train Long Sleeve One Shoulder Sequined with Sequin

Regular price $107.80 USD

Regular price ~~$177.80 USD~~ Sale price $107.80 USD
Unit price per

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Mermaid / Trumpet Evening Gown Elegant Dress Evening Party Prom Floor Length Long Sleeve V Neck Fall Wedding Reception Sequined with Sequin

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Mermaid / Trumpet Evening Gown Elegant Dress Evening Party Prom Floor Length Long Sleeve V Neck Fall Wedding Reception Sequined with Sequin

Regular price $112.80 USD

Regular price ~~$163.80 USD~~ Sale price $112.80 USD
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Mermaid / Trumpet Prom Dresses Elegant Dress Formal Wedding Guest Sweep / Brush Train Long Sleeve V Neck Cotton Blend with Beading Appliques

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Mermaid / Trumpet Prom Dresses Elegant Dress Formal Wedding Guest Sweep / Brush Train Long Sleeve V Neck Cotton Blend with Beading Appliques

Regular price $119.90 USD

Regular price ~~$179.90 USD~~ Sale price $119.90 USD
Unit price per

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Mermaid / Trumpet Evening Gown Elegant Dress Prom Wedding Party Floor Length Long Sleeve Jewel Neck Tulle with Embroidery

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Mermaid / Trumpet Evening Gown Elegant Dress Prom Wedding Party Floor Length Long Sleeve Jewel Neck Tulle with Embroidery

Regular price $106.28 USD

Regular price ~~$176.28 USD~~ Sale price $106.28 USD
Unit price per

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Mermaid / Trumpet Prom Dresses Maxi Dress Formal Sweep / Brush Train Long Sleeve V Neck Stretch Fabric with Feather Slit Pure Color

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Mermaid / Trumpet Prom Dresses Maxi Dress Formal Sweep / Brush Train Long Sleeve V Neck Stretch Fabric with Feather Slit Pure Color

Regular price $105.89 USD

Regular price ~~$169.90 USD~~ Sale price $105.89 USD
Unit price per

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Mermaid / Trumpet Prom Dresses Sparkle & Shine Dress Formal Court Train Long Sleeve One Shoulder Sequined Backless with Sequin Slit

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Mermaid / Trumpet Prom Dresses Sparkle & Shine Dress Formal Court Train Long Sleeve One Shoulder Sequined Backless with Sequin Slit

Regular price $106.80 USD

Regular price ~~$186.80 USD~~ Sale price $106.80 USD
Unit price per

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Mermaid / Trumpet Elegant Vintage Prom Formal Evening Dress Jewel Neck Long Sleeve Detachable Sequined with Sequin

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Mermaid / Trumpet Elegant Vintage Prom Formal Evening Dress Jewel Neck Long Sleeve Detachable Sequined with Sequin

Regular price $145.90 USD

Regular price ~~$259.00 USD~~ Sale price $145.90 USD
Unit price per

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Mermaid / Trumpet Prom Dresses Elegant Dress Formal Floor Length Long Sleeve Jewel Neck Sequined with Sequin

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Mermaid / Trumpet Prom Dresses Elegant Dress Formal Floor Length Long Sleeve Jewel Neck Sequined with Sequin

Regular price $102.40 USD

Regular price ~~$172.40 USD~~ Sale price $102.40 USD
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Little Black Dress Elegant Party Wear Prom Dress High Neck Long Sleeve Floor Length Lace with Ruffles

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Little Black Dress Elegant Party Wear Prom Dress High Neck Long Sleeve Floor Length Lace with Ruffles

Regular price $109.99 USD

Regular price ~~$158.80 USD~~ Sale price $109.99 USD
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Light Blue Strapless Sweetheart Neck 3D Floral Lace Embroidery High Slit Mermaid Bodycon Long Prom Dress with Train

Light Blue Strapless Sweetheart Neck 3D Floral Lace Embroidery High Slit Mermaid Bodycon Long Prom Dress with Train

Regular price $169.99 USD

Regular price ~~$0.00 USD~~ Sale price $169.99 USD
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Lavender Full Sequin One Shoulder Twist Bust Ruched Waist High Slit Bodycon Mermaid Long Prom Dress

Lavender Full Sequin One Shoulder Twist Bust Ruched Waist High Slit Bodycon Mermaid Long Prom Dress

Regular price $159.99 USD

Regular price ~~$0.00 USD~~ Sale price $159.99 USD
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High Neck Long Sleeve Puffed Shoulder Sequin Mermaid Floor Length Formal Evening Gown For Wedding Guest Homecoming Prom Dress

High Neck Long Sleeve Puffed Shoulder Sequin Mermaid Floor Length Formal Evening Gown For Wedding Guest Homecoming Prom Dress

Regular price $169.99 USD

Regular price ~~$0.00 USD~~ Sale price $169.99 USD
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Lavender One Shoulder Cut Out Beaded High Slit Mermaid Long Formal Evening Prom Dress

Lavender One Shoulder Cut Out Beaded High Slit Mermaid Long Formal Evening Prom Dress

Regular price $145.99 USD

Regular price ~~$0.00 USD~~ Sale price $145.99 USD
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Gold Halter Neck Deep V Open Back Sequin Draped Slit Mermaid Long Formal Evening Prom Dress

Gold Halter Neck Deep V Open Back Sequin Draped Slit Mermaid Long Formal Evening Prom Dress

Regular price $179.99 USD

Regular price ~~$0.00 USD~~ Sale price $179.99 USD
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Gold Halter Neck Embroidered Floral Mermaid Long Formal Evening Prom Dress

Gold Halter Neck Embroidered Floral Mermaid Long Formal Evening Prom Dress

Regular price $198.99 USD

Regular price ~~$0.00 USD~~ Sale price $198.99 USD
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Gold Off The Shoulder Sequin Ruched Slit Mermaid Long Formal Evening Prom Dress

Gold Off The Shoulder Sequin Ruched Slit Mermaid Long Formal Evening Prom Dress

Regular price $169.99 USD

Regular price ~~$0.00 USD~~ Sale price $169.99 USD
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Light Green Halter Neck Sheer Lace Mermaid Long Formal Evening Prom Dress

Light Green Halter Neck Sheer Lace Mermaid Long Formal Evening Prom Dress

Regular price $179.99 USD

Regular price ~~$0.00 USD~~ Sale price $179.99 USD
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Green One Shoulder Ruched Jersey Slit Mermaid Long Formal Evening Prom Dress

Green One Shoulder Ruched Jersey Slit Mermaid Long Formal Evening Prom Dress

Regular price $129.99 USD

Regular price ~~$0.00 USD~~ Sale price $129.99 USD
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Ivory Satin Spaghetti Strap V Neck Beaded Slit Mermaid Long Prom Dress

Ivory Satin Spaghetti Strap V Neck Beaded Slit Mermaid Long Prom Dress

Regular price $135.99 USD

Regular price ~~$0.00 USD~~ Sale price $135.99 USD
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Light Blue Spaghetti Strap Corset Lace Up Back Sequin Mermaid Long Prom Dress

Light Blue Spaghetti Strap Corset Lace Up Back Sequin Mermaid Long Prom Dress

Regular price $188.99 USD

Regular price ~~$0.00 USD~~ Sale price $188.99 USD
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