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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!

Original price $159.00 - Original price $159.00
Original price
$159.00
$159.00 - $159.00
Current price $159.00

Spaghetti Straps Lace V-Neck Backless Prom Dress with Slit

Step into prom night in a sage lace gown that balances a plunging V-neck with an open back and a side slit. The fitted lace silhouette moves with y...

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Original price $179.00 - Original price $179.00
Original price
$179.00
$179.00 - $179.00
Current price $179.00

Purple One-Shoulder Sequin Mermaid Prom Dress with Slit

Step into prom night in a soft light purple gown that pairs a sparkling sequin bodice with a smooth crepe skirt. The asymmetric one-shoulder neckli...

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Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

Orange Satin Halter Mermaid Prom Dress with High Slit

Make an entrance the moment you arrive. This orange satin gown combines a choker-style halter neck with a softly draped bodice and a high front sli...

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Original price $179.00 - Original price $179.00
Original price
$179.00
$179.00 - $179.00
Current price $179.00

Red Off-the-Shoulder Lace Corset Mermaid Prom Dress with Slit

Step into prom night in a red gown that does the talking for you. The off-the-shoulder sweetheart bodice is cut from patterned lace with defined cu...

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Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

Strapless Corset Satin Prom Dress with Ruffles

Step into prom night in a sage satin gown that pairs classic glamour with a modern, confident cut. The strapless corset bodice shapes the waist and...

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Original price $209.00 - Original price $209.00
Original price
$209.00
$209.00 - $209.00
Current price $209.00

Emerald Vintage Beaded Long Sleeve Mermaid Prom Dress

Step into a night of timeless elegance with this vintage-inspired emerald prom dress. Crafted from smooth satin with intricate beading and a sweepi...

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Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

Vintage Sweetheart Draped Satin Mermaid Prom Dress with Train

Make a memorable entrance in this vintage-inspired satin mermaid prom gown. The sweetheart neckline, pleated bodice and softly draped skirt create ...

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Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

Emerald Sweetheart Satin Corset Mermaid Prom Dress with Slit

Make a memorable entrance in this emerald satin mermaid prom dress. The strapless sweetheart neckline, corset-style bodice, and ruched waist define...

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Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

Champagne Corset Satin Sweetheart Mermaid Prom Dress

A satin mermaid gown in champagne that balances structure and softness. The sweetheart bodice is boned like a corset, then ruched through the hip s...

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Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

Red Satin Sweetheart Corset Mermaid Prom Gown with Slit

Make a bold entrance at your next special event in this striking red satin prom gown. Featuring a structured corset bodice with contrasting green s...

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Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

Black Velvet Off Shoulder Mermaid Prom Dress with Slit

Make a confident entrance in this black velvet prom dress, cut with an off-the-shoulder sweetheart neckline and a sweeping mermaid shape. The ruche...

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Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

Sage Strapless Sweetheart Pleated Mermaid Prom Gown

Step into your special night with confidence in this sage strapless sweetheart mermaid prom gown. Designed to highlight your silhouette, it strikes...

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Original price $389.00 - Original price $389.00
Original price
$389.00
$389.00 - $389.00
Current price $389.00

Spaghetti Straps Sweetheart Tulle Ball Gown Prom Dress with Ruffles

This sage tulle ball gown brings a soft romantic finish to prom and formal evenings. The sweetheart bodice is detailed with beaded appliques, while...

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Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

Sage Sweetheart Pleated Mermaid Prom Dress with Slit

Step into your next special evening with this elegant sage satin prom dress. The sweetheart neckline and gathered pleats create a flattering silhou...

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Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

Strapless Emerald Pleated Mermaid Prom Dress with Ruffles

Turn heads at prom or any formal evening in this emerald green strapless gown. The pleated bodice shapes a clean, close fit, while gathered ruffles...

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Original price $179.00 - Original price $179.00
Original price
$179.00
$179.00 - $179.00
Current price $179.00

Sleeveless Blue Halter Velvet Mermaid Prom Dress with Slit

Make a statement at prom in this blue velvet halter gown. The fitted mermaid silhouette and sweep train create a polished evening look, while the t...

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Original price $259.00 - Original price $259.00
Original price
$259.00
$259.00 - $259.00
Current price $259.00

Off-the-Shoulder Sequin Bodice Pleated Mermaid Prom Dress

Some dresses photograph well; this one keeps its shape from the first photo to the last dance. The draped off-the-shoulder neckline frames the coll...

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Original price $349.00 - Original price $349.00
Original price
$349.00
$349.00 - $349.00
Current price $349.00

Blue Feather One Shoulder Sequin Mermaid Prom Dress with Slit

Step into your special event with a blue one-shoulder mermaid prom dress that pairs sequins with a soft feather shoulder. The fitted silhouette and...

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Original price $259.00 - Original price $259.00
Original price
$259.00
$259.00 - $259.00
Current price $259.00

Off-the-Shoulder Beaded Satin Prom Dress with Slit

Step into your special night in this sage off-the-shoulder prom dress. A beaded sweetheart bodice catches the light, while the draped satin skirt a...

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Original price $179.00 - Original price $179.00
Original price
$179.00
$179.00 - $179.00
Current price $179.00

Blue One Shoulder Mermaid Prom Dress with 3D Rosette Slit

This ocean-blue gown pairs a sculpted satin rosette with crystal-scattered mesh at the bodice, then falls into a draped mermaid skirt cut with a hi...

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Original price $269.00 - Original price $269.00
Original price
$269.00
$269.00 - $269.00
Current price $269.00

Off-the-shoulder Sweetheart Sequin Mermaid Prom Dress with Sash

Make a statement at prom or any formal evening event in this sage sequin mermaid gown. The off-the-shoulder sweetheart bodice is finely ruched and ...

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Original price $289.00 - Original price $289.00
Original price
$289.00
$289.00 - $289.00
Current price $289.00

Pink One Shoulder Corset Sequin Mermaid Prom Dress

Make a statement at your next special event in this pink prom dress. Designed with a structured corset bodice and a dramatic high slit, this mermai...

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Original price $289.00 - Original price $289.00
Original price
$289.00
$289.00 - $289.00
Current price $289.00

Blue Sequin Sweetheart Long Sleeve Mermaid Prom Dress

Step into the light in a pale blue sequin prom dress that pairs a sweetheart neckline with long sleeves and a dramatic side slit.  Product details ...

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Original price $189.00 - Original price $189.00
Original price
$189.00
$189.00 - $189.00
Current price $189.00

Purple Satin Off-Shoulder Mermaid Prom Dress with High Slit

Make a lasting impression at your next special event with this elegant Purple Satin Mermaid Prom Dress. Designed with a curve-hugging silhouette an...

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