Long Navy Blue Bridesmaid Dresses

Long navy blue bridesmaid dresses are the ultimate way to bring a little midnight magic to your bestie’s big day. Picture this: you and your crew turning every head as you float down the aisle in show-stopping shades of deep blue—elegant, mysterious, and totally unforgettable. Whether you’re there to dance the night away or deliver that iconic Maid of Honor toast, these gowns have your back so you can serve main character energy all night long. Get ready to make memories (and maybe steal the spotlight) in long navy blue bridesmaid dresses that are anything but basic.

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$109.90

4.722891 star rating

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

$84.90

4.666667 star rating

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

Best Seller

$59.90

4.72973 star rating

A navy blue satin formal dress featuring a cowl neck, high slit, and adjustable spaghetti straps.

$74.90

4.416667 star rating

A navy blue glitter knit mermaid dress with a square neckline and lace-up open back.

Best Seller

$69.90

4.8125 star rating

A navy blue knit mermaid dress featuring lace trim, flutter straps, ruching, and a lace-up back.

$64.90

4.8125 star rating

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

$109.90

4.6875 star rating

An elegant navy blue satin gown with a cold shoulder design, perfect for formal occasions.

$89.90

4.2 star rating

A navy blue bodycon dress with glitter polka dots, lace-up back, and adjustable spaghetti straps.

$89.90

4.571429 star rating

A shimmering navy blue A-line dress with a sleeveless cowl neckline and high-cut front slit.

Best Seller

$59.90

4.857143 star rating

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

$69.90

4.461538 star rating

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

$59.90

4.75 star rating

A navy blue slinky knit mermaid dress featuring a sweetheart neckline, cowl draping, and high front slit.

Best Seller

$79.90

4.333334 star rating

A navy blue mermaid formal dress featuring a lace open back and side ruched seams.

Best Seller

$69.90

4.666667 star rating

A navy blue knit mermaid dress featuring a halter V-neckline and striking strappy open back design.

$69.90

4.25 star rating

A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.

$79.90

4.571429 star rating

A navy blue mesh mermaid dress adorned with colored rhinestones and faux pearls for a romantic look.

Best Seller

$74.90

4.714286 star rating

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

$59.90

4.571429 star rating

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

$79.90

4.833334 star rating

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

$69.90

4.2 star rating

A navy blue satin midi dress with a lace-up back and flattering faux wrap silhouette.

$64.90

4.8 star rating

A navy blue knit mermaid dress featuring a cowl neckline, spaghetti straps, and an open tie-back design.

$64.90

5 star rating

A navy blue knit mermaid dress featuring a scoop neckline, open back, and high front slit.

$76.90

4.666667 star rating

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

$89.90

4.666667 star rating

A sophisticated strapless navy blue satin dress with a pleated mermaid silhouette and padded cups.

$74.90

4.666667 star rating

A navy blue one-shoulder slim dress with glitter knit fabric and a high slit design.

$59.90

4.5 star rating

A navy blue satin A-line formal dress featuring flutter short sleeves and a high front slit.

$59.90

4 star rating

A navy blue mesh mermaid dress featuring cap sleeves, ruched sides, and a lace-up back detail.

$79.90

5 star rating

An elegant navy blue mesh mermaid dress featuring faux pearls, off-the-shoulder neckline, and high side slit.

$59.90

5 star rating

A chic navy blue satin midi dress with a strapless bodycon fit and elegant wrap front slit.

Best Seller

$59.90

4 star rating

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

Best Seller

$69.90

4 star rating

A navy blue knit mermaid dress featuring a twist boat neckline and flattering side ruched seams.

$69.90

5 star rating

A navy blue satin midi dress featuring off-the-shoulder neckline, floral appliqué, and faux pearl accents.

$59.90

5 star rating

A navy blue velvet mermaid dress with a floral pattern, sleeveless cowl neckline, and high-side slit.

$69.90

5 star rating

A navy blue velvet mermaid dress with a corset bodice and lace-up back design.

Best Seller

$69.90

3 star rating

A navy blue knit mermaid dress featuring a halter square neckline and strappy open tie-back design.

$119.90

5 star rating

A navy blue glitter ball gown featuring a corset bodice, lace-up back, and tulle underskirt.

$119.90

5 star rating

A navy blue lace formal dress with a sheer corset bodice and ruffled A-line silhouette.

$79.90

4 star rating

A navy blue satin formal dress with a mermaid silhouette and high front slit for elegance.

$59.90

5 star rating

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

$79.90

A captivating navy blue satin dress featuring a keyhole halter neckline and mermaid silhouette.

$79.90

A navy blue floral tulle A-line dress with a strappy back and high slit.

$119.90

A navy blue glitter knit formal dress featuring an off-the-shoulder neckline and mermaid silhouette.

$149.90

A navy blue formal dress featuring beaded embellishments, a high side slit, and a V-neckline.

$59.90

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

$69.90

A navy blue satin mermaid dress with chiffon flutter sleeves and a high front slit.

$59.90

A navy blue velvet glitter dress with a mermaid silhouette, open back, and high side slit.

New Arrival

$59.90

A navy blue strapless satin formal dress featuring a form-hugging silhouette and a high front slit.

$79.90

A navy blue mermaid dress with a glittery finish, lace-up back, and plunge neckline.

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Windsor Rowena Sequin Mermaid Dress in Navy Blue
(166) 4.7228913 star rating

Chic and glamorous, the Rowena sequin mermaid long dress will stylishly elevate your formal night-out look. With a lace-up strap design and fitted mermaid silhouette with a high slit, you'll deliver stunning style. Fit & FeaturesSheer mesh fabric, knit lining, moderate stretch, embroidered sequin scroll design, Sleeveless square neckline, padded bust, Spaghetti straps, open back, lace-up strap design, tie closure, Lower back zipper with hook and eye closure, High waist seam, Fitted floor-length mermaid silhouette, high front slit, Runs true to size, Where to Wear:Prom, black-tie parties and galas, fancy engagement parties Free Shipping on All Orders Over $75. | Windsor Rowena Sequin Mermaid Dress in Navy Blue | Size: M | Knit Fabric/Mesh Fabric/Sheer Mesh Fabric

Sophie Glitter Knit Mermaid Dress in Navy Blue
(36) 4.4166665 star rating

Effortlessly elegant, the Sophie glitter knit mermaid dress would be a stunning choice for a formal gala. She features a square neckline, short puff sleeves, a partially open back with a lace-up strappy design for a customized fit, a high waist seam, a floor-length hem, and a mermaid silhouette with a high front slit to showcase your heels. The glitter knit fabric offers a moderate stretch. Complete the look in this long dress with rhinestone statement earrings. Fit & FeaturesSquare neckline, Short puff sleeves, Open back, lace-up strappy design, tie closure, High waist seam, Floor-length hem, mermaid silhouette, front slit, Glitter knit fabric, moderate stretch, Sticky bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Sophie Glitter Knit Mermaid Dress in Navy Blue | Size: S | Knit Fabric/Rhinestone

Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Black
(35) 4.571429 star rating

The Gwendolyn glitter knit bow-back mermaid dress will have you sparkling up the night with a glamorous allure! Make your entrance in this floor-length gown designed to turn heads with a curve-flaunting mermaid fit and backless design. Fit & FeaturesGlitter knit fabric, moderate stretch, Square neckline, spaghetti straps, Backless design, high waist seam, Bow-back accent, floor-length train, Floor-sweeping hem, mermaid silhouette, Runs true to size, Extra glitter for maximum sparkle - may have some natural fallout, Where to Wear:Weddings, black tie galas, formal dances, big birthday events, rehearsal dinners, engagement parties, red carpet occasions, upscale glam parties Free Shipping on All Orders Over $75. | Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Black | Size: S | Knit Fabric

Lucille Formal Satin Mermaid Dress in Coral
(29) 4.827586 star rating

The Lucille formal satin dress will have you looking and feeling radiant and luxe! The dress captivates with a lace-up back, mermaid silhouette, and high front slit for effortless allure. Fit & FeaturesLined satin knit fabric, minimal stretch, Sleeveless square neckline, padded bust, adjustable spaghetti straps, Open lace-up back design, zipper and hook-eye closure, Fitted bodice, front ruched seam, high-cut slit, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, black tie galas, red-carpet events, nights at the opera or theatre, big milestone celebrations Free Shipping on All Orders Over $75. | Windsor Lucille Formal Satin Mermaid Dress in Coral | Size: L | Knit Fabric/Satin Fabric

Windsor Priscilla Formal Satin Strapless Mermaid Dress in Sage
(25) 4.4 star rating

Make it an elegant entrance in the Priscilla formal satin dress with a curve-hugging mermaid silhouette and floor-sweeping hem for dramatic flair. Fit & FeaturesLined silky satin fabric, minimal stretch, Strapless sweetheart neckline, Pleated, lightly padded bust, non-slip grip lining, Slim-fit bodice, high waist seam, hip-hugging fit, Floor-sweeping hem, mermaid silhouette, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, black-tie galas and events, and fancy milestone celebrations. Free Shipping on All Orders Over $75. | Windsor Priscilla Formal Satin Strapless Mermaid Dress in Sage | Size: L | Satin Fabric

Alicia Off-The-Shoulder Mermaid Formal Dress in Brown
(24) 4.8333335 star rating

Spend an evening in the timeless elegance of the Alicia floor-length formal dress and feel like a work of art! The side ruched seams accentuate your curves along the mermaid silhouette, and the high front slit adds a touch of drama to the floor-length hem. Fit & FeaturesSmooth knit fabric lined with stretchy knit, Padded bra cups, Back zipper and hook-eye closure, High front slit, Mermaid silhouette, Runs true to size, Where to Wear:Prom, galas, black tie parties, weddings, bridesmaids, nights at the theatre and opera, red-carpets Free Shipping on All Orders Over $75. | Windsor Alicia Off-The-Shoulder Mermaid Formal Dress in Brown | Size: M | Knit Fabric

Delia Formal Cowl Neck Long Dress in Mauve
(21) 4.904762 star rating

Flattery will get you everywhere in the Delia formal long dress that boasts a flattering mermaid silhouette with a high front slit for effortless allure all evening! Fit & FeaturesLined smooth knit fabric, moderate stretch, Sleeveless cowl neck, pleating, Spaghetti straps, lace-up back, Mermaid silhouette, High front slit, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, engagement parties, rehearsal dinners, milestone celebrations, dinner parties, and dressy date nights. Free Shipping on All Orders Over $75. | Windsor Delia Formal Cowl Neck Long Dress in Mauve | Size: XL | Knit Fabric

Windsor Shay Formal Lurex Glitter Dress in Rose Gold
(20) 4.45 star rating

Stun in the Shay formal glitter dress that makes your entrance that much more glam! Shay features a mermaid silhouette that flaunts your beautiful curves and a floor-length hem for a hint of drama. Fit & FeaturesLine glitter lurex fabric, V-neckline, padded bra cups, Adjustable spaghetti straps, Ruching, mermaid silhouette, Wide banded hem, train , Runs true to size, Extra glitter for maximum sparkle - may have some natural fallout , Where to Wear: Prom, black tie galas and events, red-carpet events, upscale birthdays Free Shipping on All Orders Over $75. | Windsor Shay Formal Lurex Glitter Dress in Rose Gold | Size: XS

Ashelyn Cowl Neck Glitter Mermaid Formal Dress in Black
(20) 4.6 star rating

Prepare to make a grand entrance in the Ashelyn glitter long formal dress looking like a true masterpiece for prom or special birthday events! Her luxurious knit fabric boasts a mesmerizing glitter pattern, while the side ruching and mermaid silhouette accentuate your curves while the high front slit shows off your shoes of the night. The cowl neckline and padded bra cups offer a flattering and comfortable fit. Style this formal gown with glam earrings and a hair accessory for a stunning look all evening! Fit & FeaturesGlitter pattern, knit fabric lined with jersey knit, Padded bra cups, Adjustable spaghetti straps, High front slit, Back zipper and hook-eye closure, Mermaid silhouette, floor-length, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Ashelyn Cowl Neck Glitter Mermaid Formal Dress in Black | Size: XS | Knit Fabric

Emmie Lace-Up Mermaid Satin Formal Dress in Sage
(20) 4.55 star rating

Sleek and sophisticated! The Emmie satin formal dress exudes elegance with a lace-up back and flattering mermaid silhouette that accentuates your figure. Fit & FeaturesStretchy satin-knit fabric, lined bust, Spaghetti straps, V-neckline, Lace-up back, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, black-tie galas, weddings, bridesmaids, formal parties, and red-carpet events. Free Shipping on All Orders Over $75. | Windsor Emmie Lace-Up Mermaid Satin Formal Dress in Sage | Size: XS | Satin Fabric

Long Navy Blue Bridesmaid Dresses

When it comes to celebrating your bestie’s big day, nothing says “I’ve got your back” like showing up in a long navy blue bridesmaid dress that’s equal parts classic and cool-girl chic. Navy blue is the ride-or-die color for bridal parties who want to serve up elegance without ever fading into the background. It’s the shade that flatters every skin tone, works for every vibe—whether you’re headed to a candlelit ballroom, a rooftop soirée, or a boho garden bash—and photographs like an absolute dream. Picture yourself gliding down the aisle, the fabric catching the light just right, making you feel like you’re starring in your own rom-com montage. This color is all about that balance: timeless enough for the ‘gram, but with a modern twist that says you know how to keep things fresh. Long silhouettes bring a little drama (the good kind, obviously), giving you those sweeping, floor-skimming moments that make you want to twirl at every opportunity. And let’s talk about versatility—these dresses are a one-way ticket to looking and feeling like the main character, no matter where the party takes you.

Choosing a long navy blue bridesmaid dress isn’t just about looking stunning next to your crew (though, trust, you will). It’s about picking something that feels as good as it looks, letting you dance, laugh, and maybe even ugly-cry during the speeches without worrying about a thing. Think soft satins that glide over your curves, airy chiffons that move with every step, and luxe details like delicate straps or subtle slits that let you show off your favorite heels. These dresses are made to be lived in, not just posed in. And if you’re shopping for your squad, or maybe gifting your maid of honor with a dress she’ll want to wear again (hello, future black-tie invites), navy blue is a choice that keeps on giving. It’s sophisticated for formal events, but also easy to style down for those “let’s wear it again” moments—just swap out the glam accessories for your go-to hoops and a leather jacket, and you’re set for a night out. And if you’re the bride, picking navy blue for your bridesmaids is like giving your girls a confidence boost that lasts way past the last dance. You’re not just setting a dress code—you’re setting the tone for a day that’s all about love, laughter, and making memories you’ll talk about for years.

And if you’re craving a little extra flair, don’t sleep on mixing textures or adding prints to your bridal line-up. Navy blue is the ultimate canvas for everything from sparkling jewelry to bold bouquets, and it plays so well with florals if you want to switch up the look for certain members of your party. For inspo that’s just as dreamy but with a fresh, romantic twist, check out our Navy Blue Floral Bridesmaid Dresses—perfect for anyone who wants to stand out while still keeping things coordinated. Whether you’re the planner who’s got a secret Pinterest board for every detail, or the spontaneous BFF who just wants to look cute and have a good time, long navy blue bridesmaid dresses are the ultimate go-to. They bring the drama, the style, and the good vibes—no permission slips required.

Top Picks For Long Navy Blue Bridesmaid Dresses