Spring Formal Dresses
Spring formals, but make it memorable. This collection blends flattering silhouettes with charming details, striking that balance between polished and effortlessly chic. You’ll find silky satin dresses, flowy A-line maxis, streamlined sheaths, and modern midis in soft shades of buttery yellow, blush pink, and powder blue, plus fresh florals that feel current. Delicate lace, subtle ruffles, and touches of beadwork add just enough texture to stand out without feeling overdone. Perfect for sorority events, fraternity semi-formals, spring parties, and any night that calls for a standout look with an easy, confident feel.
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Step Into Fresh Style with Gorgeous Spring Formal Dresses for 2026
Make a statement with Windsor’s 2026 spring formal dresses, perfect for any springtime event. Whether you're searching for short, midi, or long formal dresses for spring, Windsor offers a variety of stunning options featuring floral prints, delicate beading, an array of pastel shades, and shimmering sequins. From soft and breathable mesh to elegant tulle fabrics, our collection has something for every style. Explore these spring formal dresses to ensure you're on-trend and ready to shine on your special occasion.
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Zoraida Plunge Halter Mermaid Gown
Special Occasion
Wedding guest dressing feels instantly more refined with this silhouette. The mermaid gown pairs a plunging halter neckline with pleated bust detailing and an open back for a sleek, formal finish. It’s an elegant choice when the occasion calls for something polished and memorable.
Fit & Features
- Smooth satin fabrication
- Plunging halter neckline with pleated bust
- Open back with halter tie
- Mermaid silhouette with floor length hem
- Body skimming fit through the hips
- Runs true to size
Where to Wear:
Bridesmaid, wedding guest, formal parties, galas and black-tie events.
Style Number/Barcode: 05002-001946
Category Name: Spring Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Quinn Floral Cap Sleeve Formal Dress
Special Occasion
The floral flocked finish gives this formal dress a rich, textured look with just the right amount of drama. Cap sleeves and a sweetheart neckline keep the shape refined, while the lace up back adds an unexpected detail. The result feels elevated, feminine, and made to leave an impression.
Fit & Features
- Flocked floral velvet pattern, lined knit fabric
- Sweetheart neckline, padded bra cups, cap sleeves
- Lace-up back, zipper and hook-eye closure
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, black-tie galas, balls, rehearsal dinners, engagement parties, special date nights, cocktail soirees, red-carpet events
Style Number/Barcode: 05002-001827
Category Name: Spring Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: BLACK, PURPLE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Calithea Flocked Floral Mesh Mermaid Formal Dress
Special Occasion
Flocked florals give this mermaid dress a rich, dimensional finish. The sweetheart neckline and draped bodice shape the fitted silhouette before it flows into a floor-length hem, while the open back adds a sleek contrast. It’s an elegant choice for a wedding guest.
Fit & Features
- Sweetheart neckline with thin spaghetti straps
- Flocked floral mesh
- Draped bodice
- Open back
- Fitted mermaid silhouette with floor-length hem
- Runs true to size
Where to Wear:
Wedding guest, HOCO, prom, formal events, black-tie and galas.
Style Number/Barcode: 05002-001945
Category Name: Spring Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Odessa Side Slit Lace Column Formal Dress
Special Occasion
The column silhouette keeps this long dress sleek and streamlined. This lace column long dress follows the figure through the body, while ruched detailing and a side slit add shape and movement without interrupting the clean line. The result feels polished, sculpted, and refined.
Fit & Features
- Floral lace fabric, knit lining
- Square neckline, spaghetti straps
- Visible boning through the bodice
- High side slit design
- Column floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, black-tie parties, galas, rehearsal dinners, formal celebrations, dressed-up date nights, fashion-forward events, cocktail parties
Style Number/Barcode: 05002-002043
Category Name: Spring Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: PLUM
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Avelisse Draped Chiffon Mermaid Formal Dress
Special Occasion
Soft chiffon draping gives this mermaid dress an elegant, fluid finish. The off-the-shoulder neckline and cascading sash detail frame the fitted silhouette, while the open back adds a refined contrast. It’s a graceful choice for a bridesmaid look.
Fit & Features
- Off-the-shoulder neckline
- Draped chiffon sash detail
- Open back
- Fitted mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Wedding guest, bridesmaid, anniversaries, special formal dinners, and black-tie events.
Style Number/Barcode: 05002-001979
Category Name: Spring Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Zinnia Chiffon Sash Mermaid Formal Dress
Special Occasion
The silhouette stays sleek while the sash brings the drama. This mermaid formal dress fits close through the body before opening into a soft flare, with chiffon panels adding movement behind the shoulders. The effect is sculpted, fluid, and distinctly formal.
Fit & Features
- Smooth knit-lined fabric, high stretch
- Sleeveless boat neckline with long chiffon sash detail
- Open back with tie detail, zipper and hook-eye closure
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, black-tie events, galas, balls, red-carpet occasions, rehearsal dinners, formal celebrations, anniversaries
Style Number/Barcode: 05002-001982
Category Name: Spring Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: WINE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Maristelia Plunge Halter Mermaid Gown
Special Occasion
Bridesmaid dressing takes a polished turn with this sleek silhouette. The mermaid gown pairs a plunging halter neckline with pleated bust detailing and an open back for a refined formal finish. It’s an elegant choice for standing beside the bride in a look that feels modern and composed.
Fit & Features
- Smooth satin fabrication
- Plunging halter neckline with pleated bust
- Open back with halter tie
- Mermaid silhouette with floor length hem
- Body skimming fit through the hips
- Runs true to size
Where to Wear:
Bridesmaid, wedding guest, anniversaries, galas, formal parties, and black-tie events.
Style Number/Barcode: 05002-001947
Category Name: Spring Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: OLIVE
Available Size: S, M, L, XL
Product Badge:- Ships Free
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Sarina Crew Neck Illusion Side Formal Dress
Special Occasion
This long dress makes its statement through one striking detail. The crew neckline keeps the silhouette clean and sophisticated, while the sheer illusion side panel adds a modern edge that sets the design apart. The result is formal, distinctive, and confidently chic.
Fit & Features
- Lined knit fabric with high stretch
- Sleeveless crew neckline
- Keyhole back cutout with button closure
- Sheer illusion mesh side panel
- High side slit
- Long-length column silhouette
- Runs true to size
Where to Wear:
Wedding guests, black-tie galas, cocktail parties, formal celebrations, anniversaries, fashion-forward events, rehearsal dinners, engagement parties, elegant birthday dinners
Style Number/Barcode: 05002-001906
Category Name: Spring Formal Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Mireille Front Slit Halter A-Line Long Dress
Special Occasion
The front slit gives this long dress its defining detail. This A-line long dress pairs a high halter neckline with a ruched waist and open back for a finish that feels polished, fluid, and refined. The slit adds just enough movement to keep the look interesting.
Fit & Features
- Lined mesh fabric with stretch
- High halter neckline
- Ruched waist
- Open back with tie detail
- Front slit
- Flowing A-line floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, black-tie events, galas, balls, formal celebrations, upscale birthday events, anniversaries, red-carpet occasions
Style Number/Barcode: 05002-001890
Category Name: Spring Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: WINE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Mila Satin Halter Mermaid Formal Dress
Special Occasion
The shine is subtle, but the details are doing plenty. This satin mermaid formal dress balances a halter neckline, ruched waist, and high front slit for a sleek finish with added dimension. The result feels polished, sculpted, and easy to notice.
Fit & Features
- Stretch satin fabric, knit lining
- High halter neckline with tie straps
- Open back, zipper and hook-eye closure
- Ruched detailing through the waist
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, black-tie galas, bridesmaids, rehearsal dinners, engagement parties, upscale cocktail parties, red-carpet events, formal celebrations, anniversaries
Style Number/Barcode: 05002-001901
Category Name: Spring Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: NAVY, WINE
Available Size: XS, S, M, L, XL
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Ottilie Keyhole Long Sleeve A-Line Dress
Special Occasion
The details do the work here, giving this A-line dress a refined finish from every angle. Long sleeves and a high round neckline keep the front polished, while the keyhole back adds the unexpected detail that sets the look apart. It feels distinctive without relying on excess.
Fit & Features
- Lined mesh fabric
- Crew neckline
- Long sleeves
- A-line floor-length silhouette
- Keyhole back detail with cascading sash detail
- Runs true to size
Where to Wear:
Weddings, bridesmaids, rehearsal dinners, engagement parties, anniversaries, black-tie galas, balls, formal celebrations and events
Style Number/Barcode: 05002-001787
Category Name: Spring Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: PLUM, HUNTER
Available Size: XS, S, M, L, XL
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Mary Rhinestone Skeleton Mesh Formal Dress
Special Occasion
The skeleton detailing brings the drama, and the rhinestones make sure it sparkles. This formal mermaid dress pairs an embellished skeleton pattern with long sleeves and a floor-length silhouette for a striking look. Style it with heels and let the shimmer do the haunting.
Fit & Features
- Sheer mesh fabric with high stretch
- Rhinestone-embellished skeleton design
- Crew neckline
- Long fitted sleeves
- Back zipper with hook-eye closure
- Floor-length mermaid silhouette
- Runs true to size
- Please note undergarments are not included
Where to Wear:
Themed parties and events, cocktail soirees, and birthday celebrations.
Style Number/Barcode: 05002-002093
Category Name: Spring Formal Dresses
Price: $55.96 $139.90
On Sale: Yes
Availability: In Stock
Available Color: NUDE
Available Size: XS, S, M, L, XL
Product Badge:- Sale
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Celestine Open Back Mermaid Formal Dress
Special Occasion
A little mystery in the front, a striking reveal in the back. The crew neckline and long sleeves create a beautifully refined contrast to the figure-hugging shape, while the open back adds an unexpected touch of allure.
Fit & Features
- Smooth knit stretchy fabric
- Crew neckline
- Fitted long sleeves
- Open tie-back detail
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, black-tie galas, balls, red-carpet occasions, rehearsal dinners, formal celebrations, anniversaries, cocktail parties
Style Number/Barcode: 05002-001964
Category Name: Spring Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Nerine Square Neck Mermaid Formal Dress
Special Occasion
The mermaid silhouette gives this formal dress its sleek, sculpted shape. This mermaid formal dress follows the figure through the bodice and hips before easing into a soft flare, while the square neckline keeps the look clean and refined. The result feels polished, elegant, and confidently formal.
Fit & Features
- Lined mesh fabric with stretch
- Square neckline
- Sheer fitted long sleeves
- Open back
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, black-tie galas, formal celebrations, rehearsal dinners, red-carpet events, cocktail parties, anniversaries
Style Number/Barcode: 05002-001952
Category Name: Spring Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
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Evelisse Sheer Sleeve Mermaid Formal Dress
Special Occasion
Elegance looks even better with a silhouette that knows how to flatter. The fitted shape follows the figure before flowing into a softly flared mermaid hem, while draping across the bodice adds graceful dimension. The result is sleek, feminine, and beautifully sophisticated.
Fit & Features
- Smooth knit stretchy fabric
- Crew neckline with a pleated draped accent
- Fitted sheer mesh long sleeves
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, black-tie galas, cocktail parties, formal celebrations, balls, anniversaries, fashion-forward events
Style Number/Barcode: 05002-001996
Category Name: Spring Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: PLUM
Available Size: XS, S, M, L, XL
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Dahlia Plunge Neck Sash Formal Dress
Special Occasion
The details know exactly how to make an entrance. A sculptural floral accent defines the waist, while the plunging neckline and flowing sash bring a sultry contrast to this mermaid long dress. It delivers sophisticated glamour with just the right amount of drama.
Fit & Features
- Smooth knit fabric with stretch
- Plunge halter neckline with tie straps
- Open back
- Floral appliqué with cascading sash detail at the waist
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, black-tie galas, balls, rehearsal dinners, anniversaries, fashion-forward events, cocktail parties, red-carpet occasions
Style Number/Barcode: 05002-001991
Category Name: Spring Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
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Maelley Glitter Velvet Halter Mermaid Dress
Special Occasion
Everything feels instantly more refined in velvet. The Maelley mermaid dress features a sleek halter neckline, a front keyhole cutout, a thigh-high slit, and a fitted silhouette that flares toward the hem. It’s an elegant choice for a chic celebration with a little edge.
Fit & Features
- Glitter velvet fabric with full-length knit lining
- Sleeveless halter neckline, front keyhole cutout at the bust
- Open back, halter tie-back straps, lower back strap with bar closure
- Lower back ruched detailing
- High-cut front slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Wedding guests, formal events, black-tie parties, galas, soirees, and anniversary dinners.
Style Number/Barcode: 05002-001965
Category Name: Spring Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Luelle Draped One-Shoulder Slit Formal Dress
Special Occasion
A little draping, a little daring, and plenty of sophistication. The one-shoulder design creates an artful shape, while gathered detailing at the hip and a high side slit give this long dress its distinctive appeal. It delivers sultry elegance with a modern twist.
Fit & Features
- Smooth knit fabric with stretch
- One-shoulder neckline with gathered detailing
- High side slit accent
- Form-hugging column silhouette
- Long-length hem
- Runs true to size
Where to Wear:
Wedding guests, black-tie galas, cocktail parties, formal celebrations, rehearsal dinners, anniversaries, fashion-forward events, red-carpet occasions
Style Number/Barcode: 05002-001882
Category Name: Spring Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: WINE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Dalphine Off-Shoulder Mermaid Formal Dress
Special Occasion
The mermaid silhouette gives this formal dress its sleek, sculpted shape. This mermaid formal dress follows the figure through the bodice and hips before easing into a soft flare, while the off-the-shoulder neckline adds a graceful finish. The result feels polished, elegant, and confidently refined.
Fit & Features
- Lined mesh fabric with stretch
- Off-the-shoulder neckline
- Ruched detailing through the bodice and hips
- Long side sash detail
- Mermaid floor-length silhouette with a soft flared hem
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, black-tie galas, balls, formal celebrations, cocktail parties, red-carpet events, anniversaries, fashion-forward events
Style Number/Barcode: 05002-002017
Category Name: Spring Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Florine Cap Sleeve Mermaid Formal Dress
Special Occasion
Elegance is all about the shape, and this dress knows exactly how to deliver. The fitted silhouette creates a sleek, elongated look before opening into a graceful mermaid flare, while the sheer cap sleeves soften the structured square neckline. It feels polished, feminine, and quietly glamorous.
Fit & Features
- Smooth knit stretchy fabric
- Square neckline
- Cap sleeves
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Wedding guests, black-tie galas, balls, cocktail parties, formal celebrations, rehearsal dinners, red-carpet occasions, fashion-forward events, special date nights
Style Number/Barcode: 05002-001953
Category Name: Spring Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Sabley Glitter Velvet Tie-Back Mermaid Dress
Special Occasion
A little shine goes a long way when the invitation calls for something memorable. The Sabley mermaid dress pairs an all-over geometric glitter pattern with a V-neckline and open tie-back for a sleek, elongated finish. Consider it your answer to polished wedding guest dressing.
Fit & Features
- Velvet fabric with full-length knit lining
- Geometric glitter pattern
- Sleeveless V-neckline
- Tank straps, open back with tie detail, lower back zipper with hook-eye closure
- Form-hugging fit, floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Wedding guests, formal parties, galas, soirees, red carpet occasions, and black-tie events.
Style Number/Barcode: 05002-001962
Category Name: Spring Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: BLACK, NAVY
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Zelie Velvet Halter Mermaid Formal Dress
Special Occasion
The contrast between rich velvet and lustrous satin gives this dress its undeniable allure. A plunging V-neckline and gathered bodice add dimension, while the satin mermaid skirt creates a sleek, fluid finish. It's a glamorous combination that feels equal parts daring and refined.
Fit & Features
- Velvet/premium satin fabric
- Velvet halter V-neckline, tie straps, ruched bodice with partial lining
- Open back
- Satin mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, black-tie galas, formal celebrations, balls, red-carpet events, glamorous parties, rehearsal dinners, special date nights
Style Number/Barcode: 05002-002294
Category Name: Spring Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: NAVY, WINE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Calista Fringe Halter Bodycon Formal Dress
Special Occasion
The fringe detail gives this formal dress its most dramatic finish. This bodycon formal dress pairs a halter neckline and ruched shaping with an open back and sweeping fringe for a look that feels sleek, glamorous, and made for a standout entrance. The movement through the hem brings extra polish to formal events.
Fit & Features
- Satin fabric
- Halter neckline with tie straps
- Open back
- High front slit
- Bodycon silhouette
- Cascading fringe long-length hem
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, black-tie events, cocktail parties, formal celebrations, special date nights, engagement parties
Style Number/Barcode: 05002-001807
Category Name: Spring Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: PLUM
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Wendy Open Back Mermaid Formal Dress
Special Occasion
Leave a breathtaking impression in the Wendy floor-length dress. Designed to highlight your figure, this dress features an alluring open back and mermaid silhouette that artfully skims your curves for a chic look while the hardware trim gives it a little edge.
Fit & Features
- Slinky knit fabric with stretch
- Cowl neckline
- Hardware-trim spaghetti straps
- Open back, lower cascading sash
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, black-tie events, fashion-forward occasions, cocktail parties, birthday dinners, date nights
Style Number/Barcode: 05002-001981
Category Name: Spring Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: PLUM
Available Size: XS, S, M, L, XL
Product Badge:- New Arrival