Long Blue Prom Dresses

You + long blue prom dresses = a match made in prom night heaven. Whether you’re channeling major mermaid energy or just want to make jaws drop, these dreamy blue gowns are here to help you steal the spotlight. From midnight navy to sky-high blue, your perfect shade is waiting to make your entrance unforgettable. Get ready to twirl, pose, and own every second—because when you show up in long blue prom dresses, the party doesn’t start until you walk in.

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$59.90

4.689655 star rating

A navy blue floral mesh mermaid dress featuring a lace-up back, ruched front, and high slit.

$76.90

4.8 star rating

A navy blue mermaid formal dress featuring a chiffon tie-back and floral velvet pattern.

$109.90

4.726191 star rating

A chic navy blue mermaid dress with sequins, featuring a lace-up back and thigh-high slit.

$109.90 - $149.90

4.585106 star rating

A light blue mermaid dress with sequin-scroll pattern, padded bust, and lace-up back for formal events.

$159.90

4.666667 star rating

A royal blue strapless formal dress featuring a sheer mesh lace corset bodice and high front slit.

$84.90 - $89.90

4.65625 star rating

A stunning navy blue satin dress with a cowl neck, lace-up back, and high front slit.

$59.90

4.769231 star rating

A light blue strapless column dress in slinky knit fabric with pleated seams and a high side slit.

$59.90

4.863637 star rating

A navy blue knit dress featuring a cowl neck, mermaid silhouette, lace-up back, and high front slit.

$79.90

4.7 star rating

A navy blue mermaid dress with a glittery finish, lace-up back, and high front slit.

$154.90

4.947369 star rating

A light blue beaded sequin formal dress featuring a cowl neckline and high slit for elegance.

Best Seller

$74.90

4.666667 star rating

A navy blue mermaid dress with a tie-back design, high slit, and stretchy knit fabric.

Sale

$14.97 $69.90 79% off

4.533333 star rating

A navy blue satin glitter mermaid dress with a strapless neckline and pleated bodice.

Sale

$77 $109.90 30% off

4.461538 star rating

A royal blue mermaid dress with sequin scrolls, adjustable straps, and a high front slit.

Best Seller

$99.90

4.692308 star rating

An elegant navy blue satin dress with a lace-up back and high slit for formal occasions.

$69.90

4.909091 star rating

A navy blue satin column gown featuring a pleated strapless neckline and a dramatic high side slit.

Best Seller

$74.90

4.909091 star rating

A navy blue mermaid dress featuring a twist V-neckline, strappy back, and smooth knit fabric.

$99.90

4.9 star rating

A blue glitter A-line formal dress with a corset bodice and high front slit.

$59.90

4.625 star rating

A navy blue formal dress featuring a cowl neckline, lace-up back, and high front slit.

$69.90

4.25 star rating

An ethereal light blue mesh dress featuring off-the-shoulder ruffles, a high side slit, and floor-length hem.

Sale

$19.97 $59.90 67% off

4.285714 star rating

A navy blue satin formal dress with a strapless neckline, pleated seam, and high front wrap slit.

Best Seller

$64.90

4.571429 star rating

A navy blue mesh mermaid gown featuring a corset bodice, cowl neckline, and high front slit.

Best Seller

$69.90

4.833334 star rating

An elegant navy blue mermaid dress featuring an alluring open back and ruched silhouette.

Best Seller

$109.90

4.833334 star rating

A light blue mesh dress featuring sequin floral details, strapless neckline, cutout back, and mermaid silhouette.

$49.90

4.666667 star rating

A light blue knit mermaid dress featuring an open back, sweetheart neckline, and high front slit.

$69.90

4.666667 star rating

A royal blue satin A-line dress featuring a cowl neckline, spaghetti straps, and a high front slit.

Sale

$19.97 $79.90 75% off

3.4 star rating

A light blue formal dress featuring a ruched mermaid silhouette and adjustable spaghetti straps.

$129.90

5 star rating

A navy blue satin mermaid gown featuring a sequin-embellished sheer mesh corset and high front slit.

Best Seller

$69.90

5 star rating

A navy blue knit gown featuring a strapless sweetheart neckline with faux pearl trim and mermaid silhouette.

$59.90

5 star rating

A navy blue satin mermaid dress featuring a sweetheart neckline, spaghetti straps, and a high front slit.

$169.90

4.666667 star rating

A light blue mesh mermaid gown adorned with floral sequin beading and a pleated strapless neckline.

$119.90

4.5 star rating

A navy blue satin mermaid gown featuring sequin lace trim, a corset bodice, and lace-up back.

$139.90

4.5 star rating

A royal blue satin mermaid gown featuring a gemstone-embellished corset bodice and high front slit.

$69.90

5 star rating

A royal blue strapless maxi dress in shimmering lurex knit with a sculpted fit and high side slit.

Best Seller

$99.90

5 star rating

A navy blue satin mermaid gown featuring a sequin corset bodice, open back, and high front slit.

$129.90

4 star rating

A navy blue satin column dress featuring a sequin mesh corset bodice, lace-up back, and high front slit.

Sale

$14.97 $59.90 75% off

5 star rating

A navy blue velvet wrap dress with glitter, ruching, and a high-slit for formal occasions.

$159.90

5 star rating

A white mesh mermaid dress featuring rhinestone embellishments, a plunging V-neckline, and an open back.

$69.90

A navy blue satin mermaid dress featuring a structured corset bodice and elegant lace-up back.

Best Seller

$69.90

A royal blue satin mermaid dress featuring a V-neckline, lace-up back, and adjustable straps.

$159.90

A light blue mesh gown featuring intricate floral beading, a pleated square neckline, and a high front slit.

$59.90

4.564815 star rating

A navy blue satin wrap midi dress with a cowl neckline and adjustable spaghetti straps.

$54.90

4.378378 star rating

A navy blue satin midi dress with a corset seam bodice and faux wrap hem.

Best Seller

$99.90

4.875 star rating

A periwinkle mesh mermaid dress featuring floral sequin embroidery, adjustable straps, and a lace-up back.

$119.90

3.8 star rating

A glamorous periwinkle formal dress with sequin embellishments, strappy open back, and high front slit.

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Long Blue Prom Dresses