Blue Formal Dresses
Step into timeless elegance with our collection of blue formal dresses, perfect for occasions ranging from cocktail parties to black-tie events. Featuring A-line silhouettes, tailored fits, and options like strapless or strappy back designs, these dresses offer a chic and modern appeal. Made from silky satin, airy tulle, or glitter knit fabrics in shades from pastel to vibrant royal and classic navy, they provide a touch of sophistication, ensuring you stand out at any event.
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Blue Formal Dresses
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Blue Formal Dresses That Turn Heads at Every Summer Celebration
From golden-hour weddings to elegant evening galas, Windsor’s blue formal dresses bring polish, grace, and just the right amount of drama—perfect for every celebration on your calendar.
Silhouettes That Show Up and Show Out
Float into the room in a floor-length chiffon gown, stun in a sequined bodycon, or keep it sleek in a satin slip with a thigh-high slit. Love a modern take? Try a blue midi formal dress with a strapless neckline or sheer mesh paneling that hits different under summer lights.
The Right Shade for Every Scene
Soft periwinkle and dreamy sky blue bring the romance for rooftop receptions and open-air dinners. Want to go bold? Royal blue and navy bring instant polish—ideal for galas, weddings, or special nights where looking effortlessly put together is key.
Styling That Seals the Look
Pair your dress with strappy metallic heels, crystal drop earrings, and a rhinestone clutch. These blue formal dresses are made to stand out, sparkle in photos, and move with you from the first toast to the last dance.
Ready to make an entrance? Shop Windsor’s blue formal dress collection in-store, in-app, or online.
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Roxanna Tulle Ruffle A-Line Ball Gown
Special Occasion
Romantic ruffles on airy tulle create the elegant Roxanna ball gown made for your next formal black tie occasion! With a voluminous ruffled A-line silhouette and high slit, this dress is ready to make an entrance.
Make a statement in this stunning dress. Love bold details? Explore our playful ruffle prom dresses or find a sleek look in our formal dresses.
Fit & Features
- Airy tulle fabric, stretchy knit lining
- Sleeveless V-neckline, adjustable spaghetti straps
- Gathered ruched bodice, back zipper and hook-eye
- A-line silhouette, high slit
- Voluminous ruffle skirt, floor-length hem
- Runs true to size
Where to Wear:
Prom, charity and military balls, galas, special events, milestone celebrations
Style Number/Barcode: 05004-0191
Category Name: Blue Formal Dresses
Price: $129.90
Availability: In Stock
Available Color: NAVY
Available Size: L
Product Badge:- Ships Free
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Lena High Slit Sequin Formal Dress
Special Occasion
Showcase dazzling glamour in the alluring Lena sequin formal dress! She features a sleeveless sweetheart neckline with a padded bust and a center cutout, adjustable spaghetti straps for a customized fit, high waist seams, a floor-length, curve-hugging silhouette, and a sultry thigh-high side slit. The lined mesh fabric features all-over sequin embroidery. Style with glitzy duster earrings.
Fit & Features
- Sleeveless sweetheart neckline, center cutout
- Padded bust
- Adjustable spaghetti straps
- High waist seams, back zipper, hook and eye closure
- Floor-length hem, form-fitting silhouette, high side slit
- Sheer mesh fabric, full knit lining, moderate stretch
- Sequin embroidery
- Runs true to size
Style Number/Barcode: 05002-2056
Category Name: Blue Formal Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Jazmine Cowl Neck Slit A-Line Satin Formal Dress
Special Occasion
Simply stunning and beautiful is how you'll feel in the Jazmine satin formal dress perfect for weddings, bridesmaids, or fancy soirees! Made from a silky satin fabric, this gown offers a luxurious shine and sultriness to your evening look. She boasts delicate spaghetti straps and a cowl neckline, a flattering A-line silhouette designed with a front ruched seam atop a sexy high slit, and is finished with a floor-length hem. Complete the look with heels and sparkly earrings.
With a smooth, luminous finish, this dress was made to shine. Keep the luxe look going with breathtaking satin prom dresses or go for a sophisticated statement with our wedding guest dresses.
Fit & Features
- Satin fabric, bust lining, moderate stretch
- Spagehtti straps, cowl neckline
- Front slit
- A-line silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8499
Category Name: Blue Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: HUNTER, TAUPE, DENIM, SAGE
Available Size: XS, S, M, L, XL
Product Badge:- Sale
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Darcy Formal Ruffled High-Low Mermaid Dress
Special Occasion
The Darcy formal high-low dress is ready to salsa at weddings and formal parties! She features a square neckline, adjustable spaghetti straps, a form-hugging mermaid silhouette, and a bonded ruffled high-low hem that creates a dramatic finish! The formal dress is crafted from smooth knit fabric with a bust knit lining and moderate stretch. Complete the look with earrings and block heels.
Fit & Features
- Sleeveless square neckline
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Mermaid silhouette, high-low bonded ruffled hem
- Smooth knit fabric, bust knit lining, moderate stretch
- Strapless bra or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7729
Category Name: Blue Formal Dresses
Price: $9.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Cassie Formal Satin Lace-Up Mermaid Dress
Special Occasion
Capture all the glances as you stride into the room in the oh-so-gorgeous Cassie formal satin mermaid dress. She features a sleeveless square neckline with a built-in padded bust, thin tank shoulder straps, an open back with cross-back straps that lead to a chic lace-up design for a snatched look, a hip-hugging fit, and a floor-sweeping hem with a stunning train and a mermaid silhouette. The silky-smooth satin-knit fabric will give off a chic sheen. Style with rhinestone statement earrings for your next black-tie gala.
Fit & Features
- Sleeveless square neckline, padded bust, thin tank shoulder straps
- Open back, cross-back straps, lace-up design, tie closure, lower back zipper, hook and eye closure
- High waist seam, hip-hugging fit
- Floor-sweeping hem with a train, mermaid silhouette
- Satin-knit fabric, knit lining at the bust, moderate stretch
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-6956
Category Name: Blue Formal Dresses
Price: $19.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Eva Lace-Up High-Low Ruffle Mermaid Formal Dress
Special Occasion
A sleeveless glitter formal dress boasts a sultry V-neckline and spaghetti straps that shape the lace-up back, a mermaid silhouette, and a high-low ruffled hem. Perfect for the school dance or a black tie event.
Fit & Features
- Glitter fabric, stretchy knit lining
- V-neckline, padded bra cups
- Spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- Mermaid fit
- High-low ruffled hem
- Runs true to size
Style Number/Barcode: 05002-8729
Category Name: Blue Formal Dresses
Price: $14.97 $59.90
On Sale: Yes
Availability: In Stock
Available Color: BLACK
Available Size: XS, S
Product Badge:- Sale
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Heather Formal Crepe Mermaid Long Dress
Special Occasion
In the classy Heather formal dress, every step will be like strutting down the runway! She features a sleeveless square neckline with a cowl overlay, adjustable spaghetti straps, flexible boning inserts, and a flattering mermaid silhouette, surplice high-slit skirt, and floor-length hem. The formal dress is composed of a crepe fabric with minimal stretch. Complete the look in rhinestone strap heels and jewelry for a glam finish!
Fit & Features
- Sleeveless square neckline, cowl overlay
- Adjustable spaghetti straps
- Flexible boning inserts
- Mermaid silhouette. surplice high-slit skirt, floor-length hem
- Crepe fabric, minimal stretch
- Bra friendly design
- Runs true to size
Style Number/Barcode: 05002-7435
Category Name: Blue Formal Dresses
Price: $9.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Blanche Formal Corset Mermaid Dress
Special Occasion
Bring that timeless elegance with a formal dress that stuns from the moment you enter the room! The dress features a sleeveless square neckline, tank shoulder straps, a corset bodice with flexible boning, a stunning lace-up back, and a flowy mermaid silhouette. The dress is composed of a lined crepe fabric that offers a form hugging fit with a moderate stretch. Complete look with rhinestone heels and a clutch.
Fit & Features
- Sleeveless square neckline
- Tank shoulder straps
- Corset bodice, flexible boning
- Mermaid silhouette
- Lined crepe fabric
- Form hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1744
Category Name: Blue Formal Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Plus Maddison Sleeveless Mermaid Dress
Special OccasionRadiate elegance and grace as you draw them in to your beauty with our Maddison mauve dress! She features a sleeveless bodice, an off the shoulder neckline with large fold over accent and a relaxed fit bodice that flows to a curve hugging mermaid silhouette. She is composed of a crepe fabric that highlights curves while providing a moderate stretch. Includes a back zipper closure with a fish hook clasp.
Model is 5'9" with a 38.5" bust, 31" waist and 52" hips. She is wearing a size 1X.Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 15002-0130
Category Name: Blue Formal Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Plus Galilea Formal High Slit Dress
Special OccasionRaise the bar in our sophisticated Galilea black dress! She features a sleeveless bodice, a plunging V neckline, adjustable narrow straps and floor length silhouette with double high slits. She is composed of a smooth knit fabric that offers a curve flattering fit with plenty of stretch.
Model is 5'11" with a 38" bust, 37" waist and 48.5" hips. She is wearing a 1XSpecial Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 15002-0102
Category Name: Blue Formal Dresses
Price: $19.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Luna Halter A-Line Formal Dress
Special Occasion
If you love a dramatic look that radiates elegance, the Luna formal dress is for you. She features a sleeveless bodice with halter straps with ties at the back of the neck, a plunging V-neckline, an open back, and a floor-sweeping fitted A-line silhouette. Style this dress with sparkly statement earrings and an embellished clutch.
Fit & Features
- Sleeveless bodice
- Halter straps, ties at the back of the neck
- Deep V-neckline
- Open back
- Floor-length fitted A-line silhouette
- Runs true to size
Style Number/Barcode: 05002-1588
Category Name: Blue Formal Dresses
Price: $14.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Lily Formal High Slit Dress
Special Occasion
Make an elegant impression with a formal dress that brings the sophistication. Lily features a sleeveless square neckline, spaghetti straps, a strappy back design, and a high side slit. The dress is composed of a smooth knit fabric that offers a form hugging fit with a moderate stretch. Complete look with rhinestone heels.
Fit & Features
- Sleeveless square neckline
- Spaghetti straps
- Strappy back design
- High side slit
- A-line silhouette
- Smooth knit fabric
- Form hugging fit, moderate stretch, runs true to size
Style Number/Barcode: 05002-1346
Category Name: Blue Formal Dresses
Price: $19.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Raina Formal Crochet Dress
Special OccasionStun in lace as you make a memorable entrance in our Raina dress! She features a sleeveless bodice, a plunging padded V neckline and narrow straps. Her back features an open back design with double row bar strap accents and a back zipper and hook and eye closure. Her slim fit bodice leads to a floor length silhouette with a sheer skirt and high side slit. Dress is composed of a floral crochet and chiffon fabric that offers a relaxed fit with minimal stretch.
Model is 5'8" with a 32" bust, 23" waist and 36" hips. She is wearing a size smallSpecial Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6579
Category Name: Blue Formal Dresses
Price: $31.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Eloise Formal Velvet Lace-Up Mermaid Dress
Special Occasion
In the Eloise formal mermaid dress, there are two things to toast for, the newlyweds and how amazing you'll look! She features a sleeveless V-neckline, spaghetti straps, an eye-catching lace-up back design, and a form-hugging mermaid silhouette that leads to her floor-length hem. The formal dress is composed of a flocked velvet patterned mesh fabric with a stretchy knit lining. Style with dainty fringe earrings and heels for a wedding or banquet!
Fit & Features
- Sleeveless V-neckline, spaghetti straps
- Lace-up back, zipper and hook-eye closure
- Form-hugging, mermaid silhouette
- Floor-length hem
- Flocked velvet pattern, mesh fabric, stretchy knit lining
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-2733
Category Name: Blue Formal Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Yareli Formal Sequin Mermaid Dress
Special Occasion
Dazzling sequins steal the show on the Yareli formal dress at prom! She embodies a sleek style in her asymmetric one-shoulder neckline with a single strap that can be worn off-the-shoulder and features a form-fitting bodice. Her high waist leads to a floor-length mermaid silhouette that effortlessly moves with you. The formal dress is composed of a lined mesh fabric with all-over sequin embroidery for a gorgeous shine. Finish the look with a silver clutch and heels.
Fit & Features
- Asymmetric one-shoulder neckline, off-the-shoulder strap
- Form-fitting bodice, high waist
- Floor-length hem, mermaid silhouette
- Sequin embroidered design
- Lined mesh fabric
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-2277
Category Name: Blue Formal Dresses
Price: $109.90
Availability: Out of Stock
Product Badge:- Ships Free
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Maria Formal Glitter Open Back Mermaid Dress
Special Occasion
Glistening glitter amplifies the shine on the Maria formal long dress perfect for school dances, red carpet events, and fancy soirees! She features a sleeveless one-shoulder neckline, a padded bust, a sleek bungee spaghetti strap that crosses along the open back, and a form-hugging mermaid silhouette with a floor-length hem. The formal dress is composed of a glitter-lined fabric with a moderate stretch. Complete the look with a sparkly bracelet and earrings.
Fit & Features
- Sleeveless one-shoulder neckline, padded bust
- Bungee spaghetti strap
- Open back, zipper and hook-eye closure
- Mermaid silhouette, floor-length hem
- Lined glitter fabric, moderate stretch
- No bra required
- Runs true to size
Style Number/Barcode: 05002-3975
Category Name: Blue Formal Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Alora Formal Sequin Scroll Bodycon
Special Occasion
Make a dazzling impression with a formal bodycon dress that stuns at your special event! Alora features a square neckline, long sleeves, a sequin scroll print, and a mini-length silhouette. The dress is composed of a lined mesh fabric that offers a form-hugging fit with slight stretch. Complete look with nude heels and rhinestone earrings.
Fit & Features
- Square neckline
- Long fitted sleeves
- Back zipper and hook and eye closure
- Sequin scroll print
- Mini-length silhouette
- Lined mesh fabric, form-hugging fit, slight stretch
- Runs true to size
Style Number/Barcode: 05001-0703
Category Name: Blue Formal Dresses
Price: $14.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kalel Off The Shoulder Mermaid Dress
Special Occasion
Create an ethereal moment in our breathtaking Kalel formal dress! Put simply her elegance is showcased with her mermaid silhouette and dainty off the shoulder straps to radiate an unforgettable impression!
Fit & Features
- Off The Shoulder Neckline | No-Slip Strip
- Sweetheart Bust
- Sheer Mesh Off The Shoulder Strap Accents
- Vertical Princess Seams
- Mermaid Silhouette
- Fully Lined Crepe Fabric
- Form Hugging Fit | Moderate Stretch
Model is 5'9" with a 32" bust, 24" waist and 34" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0610
Category Name: Blue Formal Dresses
Price: $36.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Penny Formal Crepe Lace-Up Slit Dress
Special Occasion
Dare to make a striking impression in the Penny formal dress at banquets and galas! She features chiffon peasant sleeves, a square neckline, a lace-up back with tie closure, a curve-hugging silhouette, and a sultry high front slit along her floor-length hem. The formal long dress is composed of a lined crepe fabric with moderate stretch. Style with a statement ring set and clutch to complete your dressy look!
Fit & Features
- Chiffon peasant sleeves, square neckline
- Lace-up back with tie closure
- Curve-hugging silhouette
- High front slit, floor-length hem
- Lined crepe fabric, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7206
Category Name: Blue Formal Dresses
Price: $29.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Dasha Formal Satin Party Dress
Special Occasion
Bring the luxe to your event with a formal party dress that dazzles from the moment you enter the room! The dress features a sleeveless sweetheart neckline, padded cups, flexible boning for structure, spaghetti straps that cross at the back, and a pleated party-length skirt accented with a voluminous petticoat. The dress is composed of a satin fabric that offers a fit and flare silhouette with minimal stretch. Complete look with rhinestone heels.
Fit & Features
- Sleeveless sweetheart neckline, padded cups
- Flexible boning
- Spaghetti straps, cross at back
- Pleated party length skirt, petticoat
- Lined satin fabric
- Fit and flare silhouette, minimal stretch
- Runs true to size
Style Number/Barcode: 05001-0722
Category Name: Blue Formal Dresses
Price: $9.97 $134.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Alice Sequin Mermaid Formal Dress
Special Occasion
Bring the gorgeous sparkle to your special night out in the stunning and elevated Alice formal dress. She features a sleeveless V-neckline with a padded bust, spaghetti straps that lead to a lace-up back design for a customized fit, and chic side cutouts. Her high waist seam flows out to a floor-length, fitted, mermaid silhouette. The sheer mesh fabric features all-over sequin embroidery in a luxe scroll design and includes a full knit lining. Style this dress with rhinestone duster earrings.
Fit & Features
- Sleeveless V-neckline, sheer mesh inset, spaghetti straps
- Padded bust, no bra required
- Lace-up back design, tie closure
- Side cutouts leading to an open back, lower back zipper
- Floor-length mermaid silhouette
- Sequin embroidery, scroll design
- Sheer mesh fabric, full knit lining
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2358
Category Name: Blue Formal Dresses
Price: $30.97 $144.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Adriana Formal Velvet Mermaid Dress
Special Occasion
The Adriana formal velvet mermaid dress is a chic choice for an elegant affair. She features a sweetheart neckline with a draped cowl accent, long fitted sleeves, a structured corset-designed bodice, a partially open back with a lace-up design, and a fitted, floor-length, mermaid silhouette with a high side slit. Style with a glitzy necklace and earrings set.
Fit & Features
- Sweetheart neckline, draped cowl design
- Adhesive bra recommended
- Long fitted sleeves
- Corset-designed bodice, flexible boning, high waist seam
- Partially open back, lace-up strappy design, tie closure
- Floor-length hem, mermaid silhouette, high front slit
- Smooth velvet fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2547
Category Name: Blue Formal Dresses
Price: $39.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Maleah Twist-Front Glitter Knit Mermaid Dress
Special Occasion
Bring the dazzling energy to your next glamorous soiree in the stunning Maleah twist-front glitter knit mermaid dress! Designed with a glitzy glitter knit fabric offering plenty of stretch, this formal dress will gleam and glimmer all night long. She is shaped with a sleeveless sweetheart neckline with a ruched twist-front design and spaghetti straps. She features a matching twist-back design followed by a lower back cutout to add some allure. Her floor-length sultry mermaid silhouette will showcase your gorgeous curves. Complete the look with rhinestone fringe earrings and strappy stilettos!
Fit & Features
- Stretchy glitter knit fabric lined with stretchy knit
- Sleeveless sweetheart neckline, ruched twist-front
- Spaghetti straps
- Twist-back, lower back cutout
- Mermaid fit
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-8430
Category Name: Blue Formal Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Dawn Formal Sleeveless Satin Dress
Special Occasion
Dawn brings the elegance and charm with her stunning satin and trendy pockets!
Fit & Features
- Plunging V-Neckline | Padded Cups
- Adjustable Double Row Spaghetti Straps
- Cross-Back
- Pockets
- High Slit
- Lined Satin Fabric
- Form Hugging Fit | Minimal Stretch
Model is 5'8" with a 32" bust, 26" waist and 38" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0843
Category Name: Blue Formal Dresses
Price: $29.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free