Plus Size Birthday Dresses
Custom cuts for celebration-ready elegance, find an unforgettable birthday fit for 21st, 30th and beyond in the plus size birthday dresses edit. Offering a bespoke approach to after-dark luxury, the mini, midi and maxi silhouettes in the plus size birthday dresses collection boast premium textiles aplenty. Think tactile silhouettes that flow with plenty of silk, chiffon, mesh, leather, satin, and polished twill iterations, alongside sculpting iterations that are crafted from close-fitting knits. You’ll find plenty of ponte, structured crêpe, knitted jersey, and our industry-revered Compact Stretch — creating a contoured approach to plus size birthday outfits. Find your signature color from streamlined black, feminine pink, refined neutrals, soft pastels, and plenty of bold brights. Party-ready with dramatic touches (such as feather cuffs, shimmering sequins, bright paillettes, lace trims and intricate embellishments), find birthday dresses for women plus size below.
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Plus Size Mother Of The Bride Dresses
Plus Size Formal Dresses
Plus Size Floral Dresses
Plus Size Brown Dresses
Plus Size Long Sleeve Dresses
Plus Size Evening Dresses
Plus Size Khaki Dresses
Plus Size Prom Dresses
Plus Size Black Dresses
Plus Size White Dresses
Plus Size Maxi Dresses
Plus Size Sequin Dresses
Plus Size Red Dresses
Plus Size Purple Dresses
Plus Size Black Tie Dresses
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KarenMillen
Pleated Slub Organdie Peplum Woven Maxi Dress
- Design: Plain
- Fabric: Woven
- Sleeve length: Strappy
$359.00
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KarenMillen
Pleated Tiered Maxi Dress
- Detail: Plain
- Neckline: Bandeau
- Style: Maxi Dress
$359.00
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KarenMillen
Pleated Slub Organdie Ombre Woven Maxi Dress
- Design: Plain
- Length: Maxi
- Neckline: Strappy
$359.00
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KarenMillen
Stretch Drapey Crepe Ruched Plunge Neck Batwing Sleeve Maxi Dress
- Design: Plain
- Neckline: Plunge
- Style: Maxi Dress
$219.00
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KarenMillen
Embroidered Organdie Balloon Sleeve Woven Maxi Dress
- Design: Embroidered
- Neckline: Crew
- Sleeve length: Long Sleeve
$209.00
$609.00
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KarenMillen
Polka Dot Tulle Plunge Balloon Sleeve Maxi Dress
- Design: Polka dot
- Length: Maxi
- Sleeve length: Long Sleeve
$109.00
$309.00
Petite
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KarenMillen
Petite Sequin Power Mesh Lace Up Front Halter Neck Split Detail Maxi Dress
- Detail: Sequin
- Length: Maxi
- Sleeve length: Sleeveless
$89.00
$269.00
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KarenMillen
Kimono Sleeve Embellished Maxi Dress
- Detail: Embellished
- Length: Maxi
- Sleeve length: Long Sleeve
$159.00
$539.00
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KarenMillen
Spot Print Pleated Slub Organdie Peplum Woven Maxi Dress
- Detail: Plain
- Neckline: Strappy
- Style: Maxi Dress
$359.00
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KarenMillen
Hotfix Studded Long Sleeve Shirt Woven Maxi Dress
- Detail: Studded
- Fabric: Woven
- Style: Maxi Dress
$119.00
$339.00
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KarenMillen
Plus Size Spot Woven Twill Prom Skirt
- Fabric: Woven
- Length: Midi
- Style: Skirt
$199.00
Petite
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KarenMillen
Petite Crinkle Cross Front Georgette Woven Maxi Dress
- Fabric: Woven
- Length: Maxi
- Style: Maxi Dress
$309.00
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KarenMillen
Premium Stretch Crepe Jersey V Neck Zip Detail Maxi Dress
- Design: Plain
- Detail: Plain
- Fabric: Polyester
$129.00
$359.00
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KarenMillen
Feather Embellished Woven Cape Sleeve Maxi Dress
- Design: Plain
- Detail: Printed
- Neckline: V Neck
$219.00
$879.00
Petite
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KarenMillen
Petite Spot Print Pleated Slub Organdie Peplum Woven Maxi Dress
- Design: Plain
- Detail: Plain
- Neckline: Strappy
$359.00
Petite
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KarenMillen
Petite Square Neck Tailored Full Skirted Maxi Dress
- Design: Spots
- Sleeve length: Short Sleeve
- Style: Maxi Dress
$359.00
Petite
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KarenMillen
Petite Pleated Slub Organdie Peplum Woven Maxi Dress
- Fabric: Woven
- Length: Maxi
- Sleeve length: Strappy
$359.00
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KarenMillen
Taffeta Bow Detail Woven Maxi Dress
- Design: Plain
- Fabric: Polyester
- Length: Maxi
$169.00
$679.00
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KarenMillen
Plus Size Foil Metallic Figure Form Angel Sleeve Knit Maxi Dress
- Fabric: Polyester
- Length: Maxi
- Neckline: V Neck
$269.00
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KarenMillen
Voile Embroidered Cutwork Balloon Sleeve Woven Maxi Dress
- Design: Embroidered
- Fabric: Woven
- Neckline: Round Neck
$189.00
$539.00
Petite
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KarenMillen
Petite Pleated Slub Organdie Ombre Woven Maxi Dress
- Design: Plain
- Detail: Plain
- Style: Maxi Dress
$359.00
Plus
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KarenMillen
Whitley Neill Plus Size Premium Crystal Embellished Midi Dress
- Detail: Embellished
- Length: Midi
- Style: Midi Dress
$409.00
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KarenMillen
Archive Collection - Corset Detail Georgette Cape Woven Maxi Dress
- Detail: Corset
- Fabric: Polyester
- Length: Maxi
$229.00
$769.00
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KarenMillen
Cutwork Beaded Embroidered Woven Maxi Dress
- Fabric: Woven
- Neckline: Round Neck
- Sleeve length: Long Sleeve
$229.00
$669.00
Petite
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KarenMillen
Petite Compact Stretch Viscose Maxi Dress
- Detail: Plain
- Sleeve length: Sleeveless
- Style: Maxi Dress
$139.00
$469.00
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KarenMillen
Feather Crystal Embellished Maxi Dress
- Design: Embroidered
- Length: Maxi
- Neckline: Crew
$259.00
$759.00
Plus
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KarenMillen
Plus Size Square Neck Tailored Full Skirted Maxi Dress
- Design: Spots
- Detail: Plain
- Neckline: Square
$359.00
Petite
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KarenMillen
Petite Compact Stretch Tailored Colour Block Full Skirted Midi Dress
- Fabric: Polyester
- Length: Midi
- Neckline: Crew
$149.00
$429.00
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KarenMillen
Velvet Long Sleeve Wrap V Neck Maxi Dress
- Fabric: Velvet
- Sleeve length: Long Sleeve
- Style: Maxi Dress
$69.00
$229.00
Petite
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KarenMillen
Petite Drapey Crepe Ruched Detail Maxi Dress
- Fabric: Acetate slinky
- Sleeve length: Long Sleeve
- Style: Maxi Dress
$269.00
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KarenMillen
Soft Pleated Woven Kimono Sleeve Maxi Dress
- Design: Plain
- Detail: Pleated
- Neckline: Crew
$89.00
$249.00
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KarenMillen
Plus Size Foil Metallic Figure Form Bandage Strappy Knit Maxi Dress
- Length: Maxi
- Sleeve length: Strappy
- Style: Maxi Dress
$99.00
$289.00
Petite
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KarenMillen
Petite Devoure One Shoulder Woven Maxi Dress With Trim Detail
- Design: All Over Print
- Neckline: One Shoulder
- Style: Maxi Dress
$119.00
$339.00
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KarenMillen
Embellished Ruffle Strappy Woven Maxi Dress
- Fabric: Polyester
- Length: Maxi
- Sleeve length: Strappy
$189.00
$629.00
Plus
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KarenMillen
Plus Size Tailored Belted Midi Shirt Dress
- Detail: Buttons
- Length: Midi
- Neckline: Collared
$129.00
$359.00
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KarenMillen
Plus Size Foil Metallic Figure Form Bandage Strappy Knit Maxi Dress
- Design: Plain
- Neckline: Square
- Sleeve length: Strappy
$99.00
$289.00
Petite
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KarenMillen
Petite Crystal Embellished Cady Woven Cape Maxi Dress
- Fabric: Polyester
- Neckline: Crew
- Style: Maxi Dress
$329.00
$1079.00
Tall
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KarenMillen
Plus Size Foil Metallic Figure Form Bandage Angel Sleeve Knit Maxi Dress
- Length: Maxi
- Sleeve length: Sleeveless
- Style: Maxi Dress
$289.00
Plus
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KarenMillen
Plus Size Sequin Halter Neck Hanky Hem Maxi Dress
- Design: Plain
- Neckline: Halterneck
- Style: Maxi Dress
$309.00
Petite
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KarenMillen
Petite Viscose Blend Sheer Skirt Maxi Knit Dress
- Fabric: Knitted
- Length: Maxi
- Neckline: V Neck
$89.00
$249.00
Showing 40 of 112