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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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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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Burgundy Sweetheart Mermaid Sweep Train Bridesmaid Dress Strapless Long Lace Prom Dresses - Prom Dresses
Burgundy Sweetheart Mermaid Sweep Train Bridesmaid Dress Strapless Long Lace Prom Dresses - Prom Dresses
$163.90 - $163.90
$163.90
$163.90 - $163.90
$163.90

Burgundy Sweetheart Mermaid Sweep Train Bridesmaid Dress Strapless Long

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 Long Beaded Sweetheart Bridesmaid Dresses Sexy Prom Dress - Prom Dresses
Strapless Long Beaded Sweetheart Bridesmaid Dresses Sexy Prom Dress - Prom Dresses
$170.50 - $170.50
$170.50
$170.50 - $170.50
$170.50

Strapless Long Beaded Sweetheart Bridesmaid Dresses Sexy 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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Spaghetti Straps Deep V-neck Sleeveless Mermaid Long Prom Dress - Prom Dresses
$394.90 - $394.90
$394.90
$394.90 - $394.90
$394.90

Spaghetti Straps Deep V-neck Sleeveless Mermaid Long Prom Dress

Key Features:Brand Name: BridelilyDress Fabric: lace/tulle/satinNeckline: V-Neck, Spaghetti StrapsDress Length: Floor LengthPlus Size: Yes, Up to ...

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Black Mermaid Jewel Sleeve Lace Open Back Evening Dress Long Prom Gown - Prom Dresses
Black Mermaid Jewel Sleeve Lace Open Back Evening Dress Long Prom Gown - Prom Dresses
$236.50 - $236.50
$236.50
$236.50 - $236.50
$236.50

Black Mermaid Jewel Lace Open Back Evening Dress Long Prom Gown

This black mermaid evening dress blends elegance with daring design, featuring intricate jewel lace detailing that adds refined texture. The open ...

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Mermaid Jewel Backless Sleeveless Split Long Prom Dress With Bowknot Keyhole - Prom Dresses
Mermaid Jewel Backless Sleeveless Split Long Prom Dress With Bowknot Keyhole - Prom Dresses
$150.70 - $150.70
$150.70
$150.70 - $150.70
$150.70

Mermaid Jewel Backless Sleeveless Split Long Prom Dress With Bowknot Keyhole

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 Sleeveless Mermaid Long Prom Dresses with Lace Appliques - Prom Dresses
Black Two Piece Sleeveless Mermaid Long Prom Dresses with Lace Appliques - Prom Dresses
$274.99 - $274.99
$274.99
$274.99 - $274.99
$274.99

Black Two Piece Sleeveless Mermaid Prom Dresses with Lace Appliques

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 Lace Mermaid Dresses Open Back Cap Sleeve Long Prom Gown - Prom Dresses
Black Lace Mermaid Dresses Open Back Cap Sleeve Long Prom Gown - Prom Dresses
$214.50 - $214.50
$214.50
$214.50 - $214.50
$214.50

Black Lace Mermaid Dresses Open Back Cap Sleeve Long Prom Gown

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 Light Blue Beading Strapless Long Prom Dresses Sparkle Mermaid Party Gown - Prom Dresses
Sexy Light Blue Beading Strapless Long Prom Dresses Sparkle Mermaid Party Gown - Prom Dresses
$185.35 - $185.35
$185.35
$185.35 - $185.35
$185.35

Sexy Light Blue Beading Strapless Long Prom Dresses Sparkle Mermaid Party Gown

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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