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Plus Size Birthday Dresses

Spotlighting our esteemed focus on bespoke size and fit, discover an elevated edit of plus size birthday dresses that will mark your moment with luxurious aplomb. Ready for your 21st, 30th, 40th, and beyond, the mini, midi, and maxi silhouettes in our plus size birthday dress edit are crafted from premium textiles. 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 bespoke fit with four-way support. Scintillating with extra-special aplomb, you’ll also find the plus size sequin birthday dress below. Find your plus size dress for birthday below.
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favourite
Plus Size Techno Cotton Woven Maxi Dress With Contrast Placket
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KarenMillen

Plus Size Techno Cotton Woven Maxi Dress With Contrast Placket

  • Length: Maxi
  • Occasion: Daywear
  • SleeveLength: Long Sleeve
£111.20 £139.00
favourite
Plus Size Crystal Embellished Woven Plunge Detail Maxi Dress
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KarenMillen

Plus Size Crystal Embellished Woven Plunge Detail Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£287.20 £359.00
favourite
Plus Size Essential Techno Short Sleeve Woven Shirt Dress With Gold Hardware
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KarenMillen

Plus Size Essential Techno Short Sleeve Woven Shirt Dress With Gold Hardware

  • Length: Maxi
  • Occasion: Daywear
  • SleeveLength: Short Sleeve
£103.20 £129.00
favourite
Plus Size Ruched Detail Brushed Textured Jersey Midi Dress
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KarenMillen

Plus Size Ruched Detail Brushed Textured Jersey Midi Dress

  • Length: Midi
  • Occasion: Daywear
  • Style: Midi Dress
£48.00 £119.00
favourite
Plus Size Guipure Lace Woven Mini Dress
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KarenMillen

Plus Size Guipure Lace Woven Mini Dress

  • Length: Mini
  • Occasion: Occasion
  • Style: Mini Dress
£75.00 £299.00
favourite
Plus Size Soft Tailored Asymmetric Neck Draped Waist Detail Midi Dress
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KarenMillen

Plus Size Soft Tailored Asymmetric Neck Draped Waist Detail Midi Dress

  • Occasion: Daywear
  • SleeveLength: Sleeveless
  • Style: Midi Dress
£60.00 £199.00
favourite
Plus Size Floral Applique Embellished Organdie Woven Mini Dress
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KarenMillen

Plus Size Floral Applique Embellished Organdie Woven Mini Dress

  • Length: Mini
  • Occasion: Occasion
  • Style: Mini Dress
£78.00 £259.00
favourite
Plus Size Compact Essential Button Pencil Midi Dress
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KarenMillen

Plus Size Compact Essential Button Pencil Midi Dress

  • Length: Midi
  • Occasion: Daywear
  • SleeveLength: Sleeveless
£159.20 £199.00
favourite
Plus Size Drapey Crepe Off The Shoulder Ruched Detail Fishtail Maxi Dress
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KarenMillen

Plus Size Drapey Crepe Off The Shoulder Ruched Detail Fishtail Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
£119.20 £149.00
favourite
Plus Size Premium Crystal Embellished Woven Maxi Dress
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KarenMillen

Plus Size Premium Crystal Embellished Woven Maxi Dress

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£479.20 £599.00
favourite
Plus Size Structured Crepe Belted Forever Midi Dress
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KarenMillen

Plus Size Structured Crepe Belted Forever Midi Dress

  • Occasion: Daywear
  • SleeveLength: 3/4 Sleeve
  • Style: Midi Dress
£159.20 £199.00
favourite
Plus Size Twill Cape Sleeve Belted Shirt Woven Midi Dress
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KarenMillen

Plus Size Twill Cape Sleeve Belted Shirt Woven Midi Dress

  • Length: Midi
  • SleeveLength: Short Sleeve
  • Style: Midi Dress
£111.20 £139.00
favourite
Plus Size Compact Stretch Tailored Colour Block Full Skirted Midi Dress
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KarenMillen

Plus Size Compact Stretch Tailored Colour Block Full Skirted Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£191.20 £239.00
favourite
Plus Size Rose Embroidered Cotton Twill Woven Shirt Dress With Eyelets
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KarenMillen

Plus Size Rose Embroidered Cotton Twill Woven Shirt Dress With Eyelets

  • Length: Maxi
  • Occasion: Daywear
  • Style: Maxi Dress
£239.20 £299.00
favourite
Plus Size Hand Embroidered And Sequin Organdie Deep V Woven Maxi Dress
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KarenMillen

Plus Size Hand Embroidered And Sequin Organdie Deep V Woven Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
£120.00 £399.00
favourite
Amelia Graham Plus Size Burnout Lace Up Detail Woven Column Dress
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KarenMillen

Amelia Graham Plus Size Burnout Lace Up Detail Woven Column Dress

  • Length: Midi
  • Occasion: Occasion
  • SleeveLength: Sleeveless
£47.00 £189.00
favourite
Plus Size Leopard Print Mesh Maxi Dress
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KarenMillen

Plus Size Leopard Print Mesh Maxi Dress

  • Occasion: Going Out
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£48.00 £119.00
favourite
Plus Size Textured Tweed Belted Tailored Mini Dress
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KarenMillen

Plus Size Textured Tweed Belted Tailored Mini Dress

  • Length: Mini
  • Occasion: Daywear
  • Style: Mini Dress
£175.20 £219.00
favourite
Plus Size Lace with black taping long sleeve woven maxi dress
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KarenMillen

Plus Size Lace with black taping long sleeve woven maxi dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£111.20 £139.00
favourite
Plus Size Zebra Print Crepe Twist Detail Maxi Dress
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KarenMillen

Plus Size Zebra Print Crepe Twist Detail Maxi Dress

  • Length: Maxi
  • Occasion: Daywear
  • Style: Maxi Dress
£60.00 £75.00
favourite
Plus Size Placed Floral Embroidered Mesh Woven Belted Maxi Dress
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KarenMillen

Plus Size Placed Floral Embroidered Mesh Woven Belted Maxi Dress

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£231.20 £289.00
favourite
Plus Size Crystal Embellished Cutwork Cape Detail Woven Maxi Dress
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KarenMillen

Plus Size Crystal Embellished Cutwork Cape Detail Woven Maxi Dress

  • Length: Maxi
  • SleeveLength: Short Sleeve
  • Style: Maxi Dress
£295.20 £369.00
favourite
Plus Size Polished Tailored Cowl Neck Blazer Mini Dress
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KarenMillen

Plus Size Polished Tailored Cowl Neck Blazer Mini Dress

  • Length: Mini
  • SleeveLength: Long Sleeve
  • Style: Mini Dress
£88.00 £219.00
favourite
Plus Size Polished Tailored Button Detail Pleated Midi Dress
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KarenMillen

Plus Size Polished Tailored Button Detail Pleated Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£223.20 £279.00
favourite
Plus Size Tailored Velvet High Neck Mini Dress
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KarenMillen

Plus Size Tailored Velvet High Neck Mini Dress

  • Length: Mini
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
£103.20 £129.00
favourite
Plus Size Polished Tailored Double Breasted Sinch Detail Blazer Mini Dress
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KarenMillen

Plus Size Polished Tailored Double Breasted Sinch Detail Blazer Mini Dress

  • Length: Mini
  • SleeveLength: Long Sleeve
  • Style: Blazer Dress
£67.00 £269.00
favourite
Plus Size Viscose Satin V Neck Long Sleeve Woven Midi Dress
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KarenMillen

Plus Size Viscose Satin V Neck Long Sleeve Woven Midi Dress

  • Occasion: Daywear
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
£151.20 £189.00
favourite
Plus Size Plunge Ruched Twist Jersey Maxi Dress
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KarenMillen

Plus Size Plunge Ruched Twist Jersey Maxi Dress

  • Length: Maxi
  • Occasion: Daywear
  • SleeveLength: Sleeveless
£47.00 £189.00
favourite
Plus Size Tailored Twill Lace Mix Zip Front Mini Dress
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KarenMillen

Plus Size Tailored Twill Lace Mix Zip Front Mini Dress

  • Length: Mini
  • Occasion: Daywear
  • SleeveLength: Short Sleeve
£55.00 £219.00
favourite
Plus Size Baroque Embroidered Cape Sleeve Twill Woven Maxi Dress
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KarenMillen

Plus Size Baroque Embroidered Cape Sleeve Twill Woven Maxi Dress

  • Occasion: Daywear
  • SleeveLength: Short Sleeve
  • Style: Maxi Dress
£90.00 £299.00
favourite
Plus Size Compact Stretch Contrast Collar Tailored Midi Dress
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KarenMillen

Plus Size Compact Stretch Contrast Collar Tailored Midi Dress

  • Length: Midi
  • Occasion: Daywear
  • SleeveLength: Short Sleeve
£183.20 £229.00
favourite
Plus Size Sequin Plunge Cowl Neck Strong Shoulder Long Sleeve Midi Dress
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KarenMillen

Plus Size Sequin Plunge Cowl Neck Strong Shoulder Long Sleeve Midi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
£119.20 £149.00
favourite
Plus Size Textured Tailored Contrast Taffeta Ruffle Maxi Dress
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KarenMillen

Plus Size Textured Tailored Contrast Taffeta Ruffle Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
£60.00 £239.00
favourite
Plus Size Structured Crepe Tailored Full Skirted Belted Midi Dress
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KarenMillen

Plus Size Structured Crepe Tailored Full Skirted Belted Midi Dress

  • Length: Midi
  • Occasion: Daywear
  • Style: Midi Dress
£60.00 £239.00
favourite
Plus Size Compact Essential Tab Waist Pencil Midi Dress
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KarenMillen

Plus Size Compact Essential Tab Waist Pencil Midi Dress

  • Length: Midi
  • Occasion: Daywear
  • SleeveLength: Strappy
£119.20 £149.00
favourite
Plus Size Tailored Sequin Tweed Tie Bow Neck Embellished Mini Dress
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KarenMillen

Plus Size Tailored Sequin Tweed Tie Bow Neck Embellished Mini Dress

  • Length: Mini
  • Occasion: Occasion
  • SleeveLength: Short Sleeve
£81.00 £269.00
favourite
Plus Size Structured Crepe Forever Pleat Dress
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KarenMillen

Plus Size Structured Crepe Forever Pleat Dress

  • Length: Midi
  • Occasion: Daywear
  • Style: Midi Dress
£110.00 £219.00
magenta color black color
favourite
Plus Size Scattered Floral Balloon Sleeve Pleated Crinkle Cut Out Woven Maxi Dress
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KarenMillen

Plus Size Scattered Floral Balloon Sleeve Pleated Crinkle Cut Out Woven Maxi Dress

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£159.20 £199.00
favourite
Plus Size Crystal Embellished Scuba Crepe Bandeau Midi Dress
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KarenMillen

Plus Size Crystal Embellished Scuba Crepe Bandeau Midi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Midi Dress
£311.20 £389.00
favourite
Plus Size Premium Slinky Crepe Scarf Detail Maxi Dress
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KarenMillen

Plus Size Premium Slinky Crepe Scarf Detail Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
£151.20 £189.00
Showing 40 of 93
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