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 for Every Spring Celebration
Step into the season with Windsor’s breathtaking Blue Formal Dresses, perfect for making an unforgettable entrance at any spring event. Whether you're attending a garden wedding, an elegant gala, Prom 2025, or a sophisticated evening soirée, our collection offers a variety of silhouettes, shades, and fabrics to complement your style.
Explore blue evening dresses crafted from airy chiffon, shimmering sequins, and delicate lace for an effortlessly glamorous look. Choose from flowing floor-length gowns that move with you, sleek A-line styles for timeless elegance, or fitted bodycon designs that highlight your figure. Want a modern twist? Our collection also features chic midi-length dresses—perfect for outdoor celebrations and cocktail parties.
Find your ideal shade of blue, from deep navy for a refined and polished feel to vibrant royal blue and soft periwinkle for a fresh, seasonal update. Embrace dreamy pastel hues and ethereal sky blues, perfect for spring weddings, rooftop gatherings, and sunset dinner dates.
Complete your look with rhinestone heels, statement earrings, and a shimmering clutch for that extra touch of elegance. Shop Windsor’s Formal Dresses online, in-store, or on the app to discover styles that make every moment shine this spring.
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All Night Sparkle Sequin Scroll Lace-Up Dress
Sparkle all night long in this sequin mini dress that shines in the light! It features a sleeveless square neckline, spaghetti straps, a lace-up back design, a bodycon fit, and a mini-length hem. The dress is composed of a lined mesh fabric with an intricate all-over sequin embroidered scroll pattern. Perfect for styling with stiletto heels and a clutch.
Fit & Features
- Sleeveless square neckline
- Spaghetti straps
- Lace-up back design, tie closure, lower back zipper, hook and eye closure
- Bodycon fit, mini-length hem
- Sequin embroidered scroll pattern
- Sheer mesh fabric, knit lining, moderate stretch
- Runs true to size
Style Number/Barcode: 05103-4130
Category Name: Blue Formal Dresses
Price: $6.97 $52.90
On Sale: Yes
Availability: Out of Stock
- Sleeveless square neckline
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Coralie Off Shoulder Front Slit Dress
Special Occasion
Look and feel elegant for your next fancy night out in our gorgeous Coralie formal dress. Her classy fold-over, off-the-shoulder neckline will pair beautifully with a sparkling necklace. Her front slit lets you show off those glittering heels you've been wanting to wear! The formal long dress is composed of a crepe fabric that offers a moderate stretch and includes a knit mini-length lining. Complete your look with classic block heels.
Fit & Features
- Off-the-shoulder neckline with a fold-over design
- Back zipper and hook and eye closure
- Ruching at center back
- Floor-length hem with a front slit, form-hugging fit
- Crepe fabric, knit mini-length lining, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7131
Category Name: Blue Formal Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
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Ashley Sleeveless Bow Mermaid Formal Dress
Special Occasion
Both feminine and sweet, the Ashley sleeveless bow mermaid formal dress will have you feeling like a princess! The back bow tie design and ruched seam create a flattering mermaid silhouette while the high slit gives effortless allure.
Fit & Features
- Smooth knit stretchy fabric, stretchy knit lining
- Adjustable spaghetti straps, crisscross back
- Back bow tie design, zipper and hook-eye closure
- High front slit
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Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, black-tie galas and weddings, fancy engagement parties
Style Number/Barcode: 05002-8290
Category Name: Blue Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: NAVY, HUNTER
Available Size: L, M
Product Badge:- Best Seller
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Mona Formal Plunging Glitter Dress
Special Occasion
Take the plunge into glamour as you stun in our breathtaking Mona dress! She features a sleeveless bodice, a plunging V neckline with pleated dealing, and sheer adjustable spaghetti straps that cross at the back. Her slim fit waist leads to a sweeping A-line silhouette. She stands out with her glitter accents and caviar beaded detailing set in a romantic pattern. The dress is composed of a lined tulle fabric that offers a relaxed fit with minimal stretch. The knit lining includes two high slits to reveal a hint of skin under the semi-sheer tulle fabric. Complete your gorgeous look with rhinestone duster earrings and a new pair of heels.
Fit & Features
- Plunging V neckline with pleated detailing
- Sheer adjustable spaghetti straps
- Cross back design
- Back zipper and hook and eye closure
- High waist leading to a floor-length skirt
- A-line silhouette
- Semi-sheer tulle fabric with glitter and beaded details
- Knit lining with dual front slits
- Runs true to size
Style Number/Barcode: 05002-0326
Category Name: Blue Formal Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
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Raelynn Satin Cross Strap Dress
Special Occasion
Set off sparks in the Raelynn dress that brings the sultriness for your next evening out. The Raelynn formal satin dress features a plunging V-neckline that styles well with your favorite statement necklaces and a bold open back with adjustable cross straps. The fitted bodice leads to a curve-hugging mermaid silhouette that is accented with a sexy front, thigh-high slit. Complete your look with sparkling rhinestone earrings and a matching clutch to bring glamour to your formal evening outfit.
Fits & Features
- Plunging v-neckline, adhesive bra recommended
- Flattering princess seams at the bust
- Adjustable spaghetti straps, cross back
- Floor-length Mermaid silhouette, front thigh-high slit
- Smooth satin fabric, minimal stretch
- Back zipper closure
- Fits true to size
Style Number/Barcode: 05002-0116
Category Name: Blue Formal Dresses
Price: $29.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Lucille Formal Satin Mermaid Dress
Special Occasion
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 & Features
- Lined 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
Style Number/Barcode: 05002-9078
Category Name: Blue Formal Dresses
Price: $49.90
Availability: In Stock
Available Color: CORAL
Available Size: XS, S, M, L
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Lori Formal Sequin Lace-Up Long Dress
Special Occasion
Gorgeous sequins make the Lori formal dress a sexy standout! With an alluring strappy lace-up back, high front slit for movement, and a striking form-hugging silhouette.
All eyes are on you in this radiant dress. If sparkle is your signature, discover stunning sequin prom dresses or opt for effortless sophistication with our eye-catching formal dresses.
Fit & Features
- Sequin scroll mesh fabric, stretchy knit lining
- Sleeveless sweetheart neck, spaghetti straps
- Lace-up open-back design, lightly padded bust
- Back zipper and hook-eye closure
- Form-hugging silhouette
- High-cut front slit, floor-length hem
- Runs true to size
Where to Wear:
Prom, black tie galas, big parties, birthday celebrations
Style Number/Barcode: 05002-2900
Category Name: Blue Formal Dresses
Price: $109.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Londyn Formal High Slit Convertible Dress
Special Occasion
Showcase your unique style with a convertible formal dress that allows you to show off multiple styles! Londyn features a large slit at the bodice that allows you to create a one-shoulder neckline, boat neckline, halter neck, or an off-the-shoulder neckline. The slim-fit bodice leads to a curve-hugging A-line silhouette with a high side slit. The dress is composed of a smooth knit fabric that offers a form-hugging fit with a moderate stretch. Complete the look with heels and a clutch.
Fit & Features
- Large slit at the bodice
- Multiple ways to wear neckline
- A-line silhouette
- High side slit
- Smooth knit fabric
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1301
Category Name: Blue Formal Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kindra Formal X-Back Glitter Bodycon Dress
Special Occasion
Glow at your event with a formal bodycon dress that makes an illuminating entrance! Kindra features a glitter body throughout, a sleeveless cowl neckline, bungee spaghetti straps, a bold open back with sleek cross-back straps, a geometric pattern, and a mini-length silhouette with a form-hugging fit. The dress is composed of a lurex glitter fabric with a full knit lining and offers a moderate stretch. Complete the look with clear heels and a satin clutch.
Fit & Features
- Sleeveless cowl neckline
- Bungee spaghetti straps
- Open back, X-back design
- Geometric pattern
- Mini-length silhouette, form-hugging fit
- Lurex glitter fabric, full knit lining, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05001-0749
Category Name: Blue Formal Dresses
Price: $19.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Jaime Feather Trim Velvet Mermaid Dress
Special Occasion
Bring the dramatic flair to your next formal soiree in the stunning Jaime feather trim velvet mermaid dress. She features a sleeveless square neckline with a chic marabou feather trim, spaghetti straps, a high waist seam, ruching down the side leading to a thigh-high slit, and a fitted, floor-length, mermaid silhouette. The luxe velvet fabric offers a moderate stretch. Style this dress with a glitzy evening bag.
Fit & Features
- Sleeveless square neckline, marabou feather trim
- Spaghetti straps
- High waist seam, ruching down the front, high slit
- Floor-length hem, form-hugging fit, mermaid silhouette
- Smooth velvet fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-2608
Category Name: Blue Formal Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Tabitha Formal High Slit Crepe Dress
Special Occasion
Make your night one to remember in a formal long dress that stands out at your special event. Tabitha features a sleeveless square neckline, supportive padded cups, and spaghetti straps that lead to a lace-up back. Her slim-fit waist leads to a flattering A-line silhouette that is accented with a high side slit. She is composed of a crepe fabric that offers a form-hugging fit with a moderate stretch. Complete the look in this long dress with rhinestone heels and a sphere clutch.
Fit & Features
- Sleeveless square neckline, spaghetti straps
- Built-in padded bust, no bra required
- Lace-up back, tie closure
- Back zipper closure
- High waist seam, A-line silhouette, high side slit
- Crepe-lined fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2036
Category Name: Blue Formal Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Shayla Strapless Corset Lace Formal Dress
Special Occasion
Designed to be eyed up and down, the Shayla long formal dress brings the sultry heat to any black-tie occasion! A curved neckline and sheer mesh lace corset bodice create a sophisticated silhouette, while the lace-up back provides a personalized fit.
This dress brings effortless confidence with every step. Love this look? Browse our stunning strapless prom dresses or find a statement style in our party dresses.
Fit & Features
- Sheer mesh, smooth knit fabric
- Lace corset bodice, flexible boning, padded bra cups
- Lace-up, back zipper with hook-eye closure
- Floor-length fitted silhouette, high front wrap slit
- Runs true to size
Where to Wear:
Prom, black-tie galas, red-carpet occasions, and big birthday events.
Style Number/Barcode: 05002-9010
Category Name: Blue Formal Dresses
Price: $159.90
Availability: In Stock
Available Color: PINK
Available Size: XS, S
Product Badge:- Ships Free
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Juliet Formal High Slit Dress 2
Special Occasion
Radiate effortless elegance in our sophisticated satin Juliet gown! She features adjustable spaghetti straps, a V-neck seamed bodice with light padding at bust, a high-seam waist, and a long, gently pleated A-line skirt with pockets at either hip and a dramatic center front slit. Juliet is fully lined and made from a smooth, shiny satin-like woven fabric with a touch of stretch. Pair this beautiful dress with a shimmering rhinestone necklace for a glamorous look.
Shop Juliet In More Colors: Juliet Formal High Slit Dress
Fit & Features
- Lined satin-like woven fabric, slight stretch
- V-neckline with padded cups
- Adjustable spaghetti straps
- Fitted high waist, hidden side pockets
- Elongated floor-length silhouette with high side slit
- A-line fit
- Runs true to size
Style Number/Barcode: 05002-0896
Category Name: Blue Formal Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Marleigh Formal Sequin Scroll Dress
Special Occasion
Light up the night with a formal sequin dress that elevates your special evening look. Marleigh features a dazzling damask sequin pattern, a sleeveless V-neckline, supportive padded cups, and spaghetti straps that lead to a cross-back strap design. Her back features a partially open design with tie-back straps. Her slim-fit bodice leads to a flared trumpet hem that brings the drama. Complete the look in this formal long dress with a sphere clutch and rhinestone heels.
Fit & Features
- Sleeveless V-neckline
- Padded cups
- Spaghetti straps, cross-back design, tie closure
- Lower back zipper, hook and eye closure
- High waist, trumpet silhouette
- Lined mesh fabric, damask sequin pattern
- Form-hugging fit, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-2085
Category Name: Blue Formal Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Blair Lace-Up A-Line Rhinestone Formal Dress
Special Occasion
Draw everyone's eyes in your direction in the stunning and glamorous Blair rhinestone formal dress with a stunning lace-up back and figure-skimming A-line silhouette!
Fit & Features
- Sheer mesh fabric, full knit lining, moderate stretch
- Sleeveless V-neckline, spaghetti straps
- Open back, lace-up strappy design, tie closure
- Floor-length hem, A-line silhouette
- All-over rhinestone embellishments, taper off toward the hem
- Runs true to size
Where to Wear:
Prom, red-carpet events, big birthday parties, glam functions, fancy cocktail soirees
Style Number/Barcode: 05002-2910
Category Name: Blue Formal Dresses
Price: $99.90
Availability: In Stock
Available Color: FUCHSIA
Available Size: M, L
Product Badge:- Ships Free
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Gianna Strapless High-Slit Satin Dress
Special Occasion
Create an effortlessly captivating look in the Gianna sleek satin formal dress. She features a strapless subtle sweetheart neckline, a wrap-front design at the bodice, a flattering high waist, and a floor-length fitted silhouette with a sultry thigh-high front slit. Complete your outfit with a radiant rhinestone necklace and strappy heels for an unforgettable look.
Fit & Features
- Strapless sweetheart neckline
- Strapless or adhesive bra recommended
- Wrap-front design at the bodice, pleated detailing
- Boning detailing to provide structure
- Back zipper, hook and eye closure
- High waist seam, floor-length fitted silhouette, high front slit
- Satin fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1638
Category Name: Blue Formal Dresses
Price: $29.97 $64.90
On Sale: Yes
Availability: Out of Stock
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Gabrielle Formal Sequin Long Dress
Special Occasion
You'll shine in head-to-toe sequins on the Gabrielle formal dress boasting a lace-up back that stuns and a mermaid silhouette with a sultry high slit perfect for showing off your heels!
This dazzling dress was made for the spotlight! Love the shimmer? Discover more sequin prom dresses or find a sophisticated look in our wedding guest dresses.
Fit & Features
- Sequin-embroidery, mesh fabric, stretchy knit lining
- Cowl neckline, adjustable spaghetti straps
- Lace-up back, zipper and hook-eye closure
- Form-hugging, mermaid silhouette
- Front slit, floor-length hem
- Runs true to size
Where to Wear:
Prom, big birthday events, glamorous parties, special occasions
Style Number/Barcode: 05002-9244
Category Name: Blue Formal Dresses
Price: $109.90
Availability: In Stock
Available Color: YELLOW-2
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Evie Formal Ruched Satin Sleeveless Dress
Special Occasion
Make an elegant impression with a formal long dress that captivates from the moment you enter the room! Evie features a sleeveless square neckline, adjustable spaghetti straps, ruching at the waist, and an A-line silhouette accented with a high-side slit. The dress is composed of a satin-like fabric that offers a form-hugging fit with a moderate stretch. Complete the look with rhinestone heels and a matching clutch.
Fit & Features
- Sleeveless square neckline, adjustable spaghetti straps
- Ruching at the waist, back zipper closure
- A-line silhouette, high side slit
- Form-hugging fit
- Satin-knit fabric, knit lining at the bust, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-2026
Category Name: Blue Formal Dresses
Price: $14.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Delia Formal Cowl Neck Long Dress
Special Occasion
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 & Features
- Lined 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, dressy date nights
Style Number/Barcode: 05002-7146
Category Name: Blue Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L
Product Badge:- Best Seller
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Amanda Wrap Satin Dress
Special Occasion
Drape yourself in our luxe Amanda satin midi dress! She features a spaghetti strap and halter design on the surplice V-neckline that shapes the fitted bodice. Her bodycon silhouette smooths and wraps around your curves and hits mid-calf with a sexy slit accent. The dress is composed of silky satin fabric with a moderate stretch. Complete the look in this midi-length dress with gold hoops.
Fit & Features
- Surplice V-neckline, halter spaghetti straps
- Curve-hugging silhouette
- Back zipper and hook-eye closure
- Wrap style, midi-length hem
- Lined stretch satin fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05001-0350
Category Name: Blue Formal Dresses
Price: $29.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Chandler Strapless Lace-Up Sequin Formal Dress
Special Occasion
Chic with an elegant bold flair, the Chandler sequin formal dress was made to bring the drama. The floor-length dress has an alluring open back with a strappy lace-up design for customizable wear and a high slit for effortless allure.
Flawlessly chic and bold, this dress is a statement. If strapless styles are your go-to, explore our strapless prom dresses or embrace effortless fashion with our formal dresses.
Fit & Features
- Sheer mesh fabric, full knit lining, moderate stretch
- Strapless sweetheart neckline, angled design, structured boning
- Open back, strappy lace-up design, tie closure
- Fitted bodice, high waist seam, lower back zipper, hook and eye closure
- Floor-length hem, high front slit, A-line silhouette
- Sequin embroidery, scroll pattern
- Runs true to size
Where to Wear:
Prom, black-tie galas, red-carpet events, and fancy soirees.
Style Number/Barcode: 05002-6809
Category Name: Blue Formal Dresses
Price: $99.90
Availability: In Stock
Available Color: BLACK, NEON, ORANGE
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Emmie Lace-Up Mermaid Satin Formal Dress
Special Occasion
Sleek and sophisticated! The Emmie satin formal dress exudes elegance with a lace-up back and flattering mermaid silhouette that accentuates your figure.
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
- Stretchy 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.
Style Number/Barcode: 05002-8713
Category Name: Blue Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: HUNTER, SAGE
Available Size: S, M, L, XS
Product Badge:- Best Seller
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Sienna High-Slit Ruched Formal Dress
Special Occasion
Keep your look chic and stunning in the curve-hugging Sienna formal dress. She features a sleeveless cowl neckline, spaghetti straps, a high waist with ruched detailing, and a floor-length mermaid silhouette with a sultry thigh-high front slit. Complete the outfit with rhinestone earrings and strappy heels.
Fit & Features
- Sleeveless cowl neckline
- Spaghetti straps
- High waist, ruching
- Fitted floor-length mermaid silhouette
- Front cinched tie detail, high slit
- Smooth satin fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1525
Category Name: Blue Formal Dresses
Price: $14.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Eris Formal Sequin Scroll Dress
Special Occasion
Walk into the room in a formal dress that brings the glamour to your special event. Eris features a sequin scroll pattern, a one-shoulder neckline with a supportive tank shoulder strap, padded cups that provide additional support, and a slim-fit waist. The waist leads to a floor-length form-hugging silhouette that is accented with a high side slit. The dress is composed of a lined mesh fabric that offers minimal stretch. Complete the look with rhinestone heels and a clutch.
Fit & Features
- One-shoulder neckline, tank shoulder strap
- Padded cups
- Sequin scroll pattern
- High waist, back zipper closure
- Slim-fit form-hugging silhouette, high side slit
- Lined mesh fabric, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-1832
Category Name: Blue Formal Dresses
Price: $19.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale