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

4.68 star rating

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

$84.90 - $89.90

4.68421 star rating

A navy blue satin formal dress with a lace-up back and high-cut front slit.

$99.90

4.666667 star rating

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

$154.90

4.947369 star rating

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

$64.90

4.8125 star rating

A navy blue satin bodycon dress featuring a corset bodice and asymmetrical wrap hem.

$79.90

5 star rating

A navy blue mermaid dress featuring sequin floral embroidery, a corset bodice, and lace-up back.

$79.90

4 star rating

A stunning royal blue formal dress featuring a lace-up back and high side slit.

Sale

$29.97 $59.90 50% off

4.627027 star rating

A navy blue satin dress featuring a form-hugging silhouette, square neckline, and high front slit.

$109.90 - $149.90

4.580645 star rating

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

$74.90

4.642857 star rating

A sophisticated navy blue mermaid dress featuring a tie-back design and high front slit.

$99.90

4.888889 star rating

A navy blue mermaid dress featuring sequin embroidery, lace-up back, and a high front slit.

$69.90

4.888889 star rating

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

$69.90

4.833334 star rating

An elegant navy blue mermaid dress with an open back and ruched seams for formal occasions.

Best Seller

$89.90

5 star rating

A light blue knit dress featuring a burnout floral pattern, cowl neckline, and ruched mermaid silhouette.

$169.90

4 star rating

A light blue mesh mermaid dress featuring bead sequins, lace-up back, and high front slit.

$69.90

5 star rating

A blue floral crepe mermaid dress with a sweetheart neckline and high front slit.

$79.90

4.5 star rating

A navy blue glitter dress featuring a strappy open back, high front slit, and mermaid silhouette.

$149.90

4.75 star rating

A stunning light blue mermaid dress with sequins, beading, and a flattering V-neckline.

Best Seller

$59.90

4.75 star rating

A navy blue mesh mermaid dress featuring ruched detailing, a draped sweetheart neckline, and adjustable straps.

$79.90

3.333333 star rating

A navy blue strapless mermaid gown in smooth knit fabric with a ruched sweetheart bodice and open back.

$109.90

4.726191 star rating

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

$59.90

4.76 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

4.619048 star rating

A navy blue mermaid formal dress with glitter knit fabric, cowl neckline, and high front slit.

$79.90

4.666667 star rating

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

$64.90

4.214286 star rating

A royal blue satin dress with a lace-up back, V-neckline, and high front slit.

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.

Sale

$14.97 $69.90 79% off

4.461538 star rating

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

$79.90

4.583334 star rating

A royal blue satin mermaid dress featuring a halter neckline, open cross-back, and high front slit.

Best Seller

$59.90

4.777778 star rating

A navy blue strapless mermaid dress in smooth knit fabric, featuring a high front slit and padded cups.

$99.90

4.888889 star rating

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

$59.90

4.888889 star rating

A light blue strapless mermaid dress in glitter knit fabric with ruched sides and a floor-length hem.

$59.90

4.625 star rating

A light blue chiffon maxi dress featuring cascading ruffles, sultry cutouts, and a flowy silhouette.

$69.90

4.25 star rating

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

$109.90

4.666667 star rating

A navy blue A-line formal dress with floral glitter, sequins, and a lace-up back.

$99.90

4.666667 star rating

A light blue mermaid dress with sequin embroidery, cutout back, and high front slit.

$76.90

4.8 star rating

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

$119.90

4.8 star rating

A light blue sequin mermaid dress with a lace-up back and high front slit.

$119.90

4.6 star rating

A royal blue mermaid dress with sequin embroidery, lace-up back, and high front slit.

$109.90

4.8 star rating

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

Sale

$29.97 $79.90 62% off

3 star rating

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

$119.90

4.666667 star rating

A royal blue sequin mermaid dress with a plunge V-neckline and adjustable spaghetti straps.

Best Seller

$99.90

5 star rating

A navy blue mermaid gown adorned with floral sequins, featuring a lace-up back and high front slit.

$69.90

5 star rating

A navy blue mesh mermaid gown featuring a plunging V-neckline, ruched silhouette, and floor-length hem.

$139.90

4.5 star rating

A royal blue sequin dress featuring a mermaid silhouette and an alluring open strappy back.

$64.90

4 star rating

A navy blue glitter knit gown featuring a plunging neckline, open back ring detail, and mermaid silhouette.

$79.90

5 star rating

A navy blue glitter mermaid gown featuring a corset bodice, sweetheart neckline, and high front wrap slit.

$119.90

5 star rating

A light blue mermaid gown featuring a rhinestone mesh corset, cowl neckline, and open back.

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Long Blue Prom Dresses