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Wedding Dresses Down to $69, Shop Now>>
Wedding Dresses Down to $69, Shop Now>>

Long Prom Dresses

Explore the latest trends in long prom dresses at Bridelily — where style meets affordability. Shop breathtaking mermaid prom dresses, purple long sleeve prom dresses 2026, elegant red ball gowns, stunning red prom dresses 2026 and chic two-piece long prom dress styles. Enjoy up to 70% off with free shipping — make your prom night unforgettable!

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Green Mermaid V-neck Tulle Applique 3/4 Sleeves Long Plus Size Prom Dresses - Prom Dresses
Green Mermaid V-neck Tulle Applique 3/4 Sleeves Long Plus Size Prom Dresses - Prom Dresses
$227.70 - $227.70
$227.70
$227.70 - $227.70
$227.70

Green Mermaid V-neck Tulle Applique 3/4 Sleeves Long Plus Size Prom Dresses

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Dark Blue Mermaid Sleeve Lace Appliques Prom Plus Size Long Evening Dress - Prom Dresses
Dark Blue Mermaid Sleeve Lace Appliques Prom Plus Size Long Evening Dress - Prom Dresses
$236.50 - $236.50
$236.50
$236.50 - $236.50
$236.50

Dark Blue Mermaid Prom Dress with Long Sleeves Plus Size Lace Evening Gown

Make a Grand Entrance in Timeless Elegance Command attention in this stunning dark blue mermaid prom dress that celebrates your curves with sophist...

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Floor Length Sweetheart Sequined Mermaid Prom Evening Dress - Prom Dresses
Floor Length Sweetheart Sequined Mermaid Prom Evening Dress - Prom Dresses
$240.90 - $240.90
$240.90
$240.90 - $240.90
$240.90

Floor Length Sweetheart Sequined Mermaid Prom Evening Dress

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Red Off the Shoulder Mermaid Lace Prom Sweep Train Long Evening Dresses - Prom Dresses
Red Off the Shoulder Mermaid Lace Prom Sweep Train Long Evening Dresses - Prom Dresses
$219.99 - $219.99
$219.99
$219.99 - $219.99
$219.99

Red Off the Shoulder Mermaid Lace Prom Sweep Train Long Evening Dresses

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Gray Spaghetti Strap Sparkly Evening Sexy Long Mermaid Prom Dress - Prom Dresses
Gray Spaghetti Strap Sparkly Evening Sexy Long Mermaid Prom Dress - Prom Dresses
$392.70 - $392.70
$392.70
$392.70 - $392.70
$392.70

Gray Spaghetti Strap Sparkly Evening Sexy Long Mermaid Prom Dress

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Dark Blue Strapless Long Evening Dress Sexy Sweetheart Appliqued Prom Dresses - Prom Dresses
Dark Blue Strapless Long Evening Dress Sexy Sweetheart Appliqued Prom Dresses - Prom Dresses
$181.50 - $181.50
$181.50
$181.50 - $181.50
$181.50

Dark Blue Strapless Long Evening Dress Sexy Sweetheart Appliqued Prom Dresses

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Spaghetti Strap Mermaid Sequined Prom Sparkly Floor Length Backless Evening Dress - Prom Dresses
Spaghetti Strap Mermaid Sequined Prom Sparkly Floor Length Backless Evening Dress - Prom Dresses
$181.50 - $181.50
$181.50
$181.50 - $181.50
$181.50

Spaghetti Strap Mermaid Sequined Prom Sparkly Floor Length Backless Evening Dress

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Dark Green Off the Shoulder Mermaid Prom Dress Sexy Long Evening Dresses - Prom Dresses
Dark Green Off the Shoulder Mermaid Prom Dress Sexy Long Evening Dresses - Prom Dresses
$159.50 - $159.50
$159.50
$159.50 - $159.50
$159.50

Dark Green Off the Shoulder Mermaid Prom Dress Sexy Long Evening Dresses

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Sexy Sleeveless Straps Mermaid Prom with Split Long Backless Light Blue Evening Dress - Prom Dresses
Sexy Sleeveless Straps Mermaid Prom with Split Long Backless Light Blue Evening Dress - Prom Dresses
$148.50 - $148.50
$148.50
$148.50 - $148.50
$148.50

Sexy Sleeveless Straps Mermaid Prom with Split Long Backless Light Blue Evening Dress

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Gorgeous Two Piece Mermaid Prom Dresses Beading Long Formal Dress - Prom Dresses
Gorgeous Two Piece Mermaid Prom Dresses Beading Long Formal Dress - Prom Dresses
$218.90 - $218.90
$218.90
$218.90 - $218.90
$218.90

Gorgeous Two Piece Mermaid Prom Dresses Beading Long Formal Dress

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Mermaid Halter Pink Formal Dress with Lace Sexy Long Backless Satin Prom Dresses - Prom Dresses
Mermaid Halter Pink Formal Dress with Lace Sexy Long Backless Satin Prom Dresses - Prom Dresses
$174.90 - $174.90
$174.90
$174.90 - $174.90
$174.90

Mermaid Halter Pink Formal Dress with Lace Sexy Long Backless Satin Prom Dresses

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Black Two Piece Off Shoulder Formal Long Mermaid Prom Dresses - Prom Dresses
Black Two Piece Off Shoulder Formal Long Mermaid Prom Dresses - Prom Dresses
$141.90 - $141.90
$141.90
$141.90 - $141.90
$141.90

Black Two Piece Off Shoulder Formal Long Mermaid Prom Dresses

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Burgundy Off Shoulder Half Sleeve Long Evening with Side Slit Mermaid Prom Dress - Prom Dresses
Burgundy Off Shoulder Half Sleeve Long Evening with Side Slit Mermaid Prom Dress - Prom Dresses
$207.35 - $207.35
$207.35
$207.35 - $207.35
$207.35

Burgundy Off Shoulder Half Sleeve Long Evening with Side Slit Mermaid Prom Dress

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Floor Length Mermaid Scoop Red Prom with Slit Sexy Sequined Formal Dress - Prom Dresses
Floor Length Mermaid Scoop Red Prom with Slit Sexy Sequined Formal Dress - Prom Dresses
$178.20 - $178.20
$178.20
$178.20 - $178.20
$178.20

Floor Length Mermaid Scoop Red Prom with Slit Sexy Sequined Formal Dress

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Cheap V Neck Long Dresses with Belt Unique Mermaid Bridesmaid Dress - Prom Dresses
Cheap V Neck Long Dresses with Belt Unique Mermaid Bridesmaid Dress - Prom Dresses
$141.90 - $141.90
$141.90
$141.90 - $141.90
$141.90

V Neck Long Dresses with Belt Unique Mermaid Bridesmaid Dress

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Simple Spaghetti Straps V Neck Dark Red Mermaid Long Evening Prom Dresses - Prom Dresses
Simple Spaghetti Straps V Neck Dark Red Mermaid Long Evening Prom Dresses - Prom Dresses
$153.56 - $153.56
$153.56
$153.56 - $153.56
$153.56

Simple Spaghetti Straps V Neck Dark Red Mermaid Long Evening Prom Dresses

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Elegant Sweetheart Mermaid Red Lace Long Prom with Sash Bridesmaid Dress - Prom Dresses
Elegant Sweetheart Mermaid Red Lace Long Prom with Sash Bridesmaid Dress - Prom Dresses
$192.50 - $192.50
$192.50
$192.50 - $192.50
$192.50

Elegant Sweetheart Mermaid Red Lace Long Prom with Sash Bridesmaid Dress

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Modern Off the shoulder Mermaid Turquoise Long Bridesmaid Dress with Lace - Prom Dresses
Modern Off the shoulder Mermaid Turquoise Long Bridesmaid Dress with Lace - Prom Dresses
$142.99 - $142.99
$142.99
$142.99 - $142.99
$142.99

Modern Off the shoulder Mermaid Turquoise Long Bridesmaid Dress with Lace

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Charming Mermaid Long prom Evening Dress - Prom Dresses
Charming Mermaid Long prom Evening Dress - Prom Dresses
$208.45 - $208.45
$208.45
$208.45 - $208.45
$208.45

Charming Mermaid Long prom Evening Dress

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Two Pieces Mermaid red Prom Long Evening Dress - Prom Dresses
Two Pieces Mermaid red Prom Long Evening Dress - Prom Dresses
$188.10 - $188.10
$188.10
$188.10 - $188.10
$188.10

Two Pieces Mermaid red Prom Long Evening Dress

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Sexy Spaghetti V-neck Long Mermaid Dresses Black Backless Sequin Prom Dress - Prom Dresses
Sexy Spaghetti V-neck Long Mermaid Dresses Black Backless Sequin Prom Dress - Prom Dresses
$181.28 - $181.28
$181.28
$181.28 - $181.28
$181.28

Sexy Spaghetti V-neck Long Mermaid Dresses Black Backless Sequin Prom Dress

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Sexy Slit Mermaid Spandex Spaghetti Straps Party Dress Long Lace Prom Dresses - Prom Dresses
Sexy Slit Mermaid Spandex Spaghetti Straps Party Dress Long Lace Prom Dresses - Prom Dresses
$185.90 - $185.90
$185.90
$185.90 - $185.90
$185.90

Sexy Slit Mermaid Spandex Spaghetti Straps Party Dress Long Lace Prom Dresses

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Strapless Mermaid Prom Dress Custom Long Evening Sweetheart Formal Dresses - Prom Dresses
Strapless Mermaid Prom Dress Custom Long Evening Sweetheart Formal Dresses - Prom Dresses
$159.50 - $159.50
$159.50
$159.50 - $159.50
$159.50

Strapless Mermaid Prom Dress Custom Long Evening Sweetheart Formal Dresses

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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Strapless Mermaid Sweetheart Split-Front Gown Red Long Prom Dress with Sequined - Prom Dresses
Strapless Mermaid Sweetheart Split-Front Gown Red Long Prom Dress with Sequined - Prom Dresses
$186.99 - $186.99
$186.99
$186.99 - $186.99
$186.99

Strapless Mermaid Sweetheart Split-Front Gown Red Long Prom Dress with Sequined

Key Features:Brand Name: Bridelily Dress Fabric: Chiffon/lace/tulle/satinNeckline: As PictureDresses Length: As PicturePlus Size: Yes, Up to 26WSl...

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