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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Plus Size Mother of the Bride Dresses
Plus Size Occasion Dresses
Plus Size Wrap Dresses
Plus Size Navy Dresses
Plus Size Floral Dresses
Plus Size Casual Dresses
Plus Size Blue Dresses
Plus Size Pink Dresses
Plus Size Green Dresses
Plus Size Black Dresses
Plus Size Orange Dresses
Plus Size Red Dresses
Plus Size Nude Dresses
Plus Size A Line Dresses
Plus Size White Dresses
Plus Size Pleated Dresses
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KarenMillen
Plus Size Premium Crystal Embellished Woven Maxi Dress
- Length: Maxi
- SleeveLength: Long Sleeve
- Style: Maxi Dress
£359.40
£599.00
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KarenMillen
Plus Size Cotton Linen Cornelli Embroidery Open Back Woven Midi Dress
- Length: Midi
- Sleeve length: Short Sleeve
- Style: Midi Dress
£161.40
£269.00
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KarenMillen
Plus Size Lime Print Cotton Halter Neck Woven Midi Dress With Dropped Waist Detail
- Length: Midi
- Sleeve length: Sleeveless
- Style: Midi Dress
£129.00
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KarenMillen
Plus Size Techno Cotton Woven Maxi Dress With Contrast Placket
- Length: Maxi
- Occasion: Daywear
- SleeveLength: Long Sleeve
£139.00
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KarenMillen
Plus Size Premium Crystal Embellished Midi Dress
- Length: Midi
- Sleeve length: Sleeveless
- Style: Midi Dress
£229.00
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KarenMillen
Plus Size Essential Techno Short Sleeve Woven Shirt Dress With Gold Hardware
- Length: Maxi
- Occasion: Daywear
- SleeveLength: Short Sleeve
£129.00
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KarenMillen
Plus Size Tailored Linen Wrap Tie Waisted Maxi Dress
- Length: Maxi
- Sleeve length: Sleeveless
- Style: Maxi Dress
£249.00
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KarenMillen
Plus Size Viscose Satin V Neck Long Sleeve Woven Midi Dress
- Occasion: Daywear
- SleeveLength: Long Sleeve
- Style: Midi Dress
£113.40
£189.00
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KarenMillen
Plus Size Soft Tailored Waterfall Sleeve Maxi Dress
- Length: Maxi
- Sleeve length: Short Sleeve
- Style: Maxi Dress
£139.00
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KarenMillen
Plus Size Crystal Embellished Woven Plunge Detail Maxi Dress
- Length: Maxi
- Sleeve length: Long Sleeve
- Style: Maxi Dress
£359.00
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KarenMillen
Plus Size Soft Tailored Cape Detail Tailored Midi Dress
- Length: Midi
- Sleeve length: Sleeveless
- Style: Midi Dress
£159.00
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KarenMillen
Plus Size Tailored Crepe Cape Asymmetric Cape Neck Detail Midi Dress
- Length: Midi
- Sleeve length: Sleeveless
- Style: Midi Dress
£169.00
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KarenMillen
Plus Size Compact Stretch Cotton Mix Tailored Full Skirted Midi Dress
- Length: Midi
- Sleeve length: Sleeveless
- Style: Midi Dress
£137.40
£229.00
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KarenMillen
Plus Size Premium Ruched Jersey Maxi Dress
- Length: Maxi
- Sleeve length: Short Sleeve
- Style: Maxi Dress
£139.00
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KarenMillen
Plus Size Compact Essential Button Pencil Midi Dress
- Length: Midi
- Occasion: Daywear
- SleeveLength: Sleeveless
£119.40
£199.00
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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
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KarenMillen
Plus Size Compact Stretch Dropped Waist Full Skirted Midi Dress
- Length: Midi
- Sleeve length: Sleeveless
- Style: Midi Dress
£155.40
£259.00
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KarenMillen
Plus Size Chain Print Crepe Hanky Hem Midi Dress
- Occasion: Daywear
- SleeveLength: Sleeveless
- Style: Midi Dress
£45.00
£89.00
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KarenMillen
Amelia Graham Plus Size Burnout Lace Up Detail Woven Column Dress
- Length: Midi
- Occasion: Occasion
- SleeveLength: Sleeveless
£57.00
£189.00
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KarenMillen
Plus Size Tailored Check Peplum Belted Mini Dress
- Length: Mini
- Sleeve length: Long Sleeve
- Style: Mini Dress
£179.00
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KarenMillen
Plus Size Tile Print Silk Cotton Volume Sleeve Woven Maxi Dress
- Length: Maxi
- Sleeve length: Short Sleeve
- Style: Maxi Dress
£137.40
£229.00
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KarenMillen
Plus Size Compact Stretch Ruffle Peplum Belted Pencil Midi Dress
- Length: Midi
- Sleeve length: Sleeveless
- Style: Midi Dress
£137.40
£229.00
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KarenMillen
Plus Size Sleeveless Pu Tipped Military Bandage Midi Dress
- Length: Midi
- Sleeve length: Long Sleeve
- Style: Midi Dress
£89.40
£149.00
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KarenMillen
Plus Size Tailored Cape Detail Maxi Dress
- Length: Maxi
- Occasion: Occasion
- Style: Maxi Dress
£179.40
£299.00
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KarenMillen
Plus Size Bold Stripe Cotton Woven Maxi Shirt Dress
- Length: Maxi
- Sleeve length: Short Sleeve
- Style: Maxi Dress
£83.40
£139.00
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KarenMillen
Plus Size Soft Tailored One Shoulder Pencil Midi Dress
- Length: Midi
- Sleeve length: Sleeveless
- Style: Midi Dress
£113.40
£189.00
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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
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KarenMillen
Plus Size Animal Print Viscose Georgette Woven Belted Maxi Dress
- Length: Maxi
- Sleeve length: Long Sleeve
- Style: Maxi Dress
£189.00
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KarenMillen
Plus Size Polished Tailored Cape Drape Maxi Column Dress
- Length: Maxi
- Sleeve length: Sleeveless
- Style: Maxi Dress
£219.00
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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
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KarenMillen
Plus Size Tailored Twill Lace Mix Zip Front Mini Dress
- Length: Mini
- Occasion: Daywear
- SleeveLength: Short Sleeve
£66.00
£219.00
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KarenMillen
Plus Size Compact Stretch Tailored Colour Block Full Skirted Midi Dress
- Length: Midi
- Sleeve length: Sleeveless
- Style: Midi Dress
£239.00
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KarenMillen
Plus Size Shirred Cotton Tiered Woven Midaxi Dress
- Length: Maxi
- Sleeve length: Short Sleeve
- Style: Maxi Dress
£89.00
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KarenMillen
Plus Size Compact Stretch Bow Tie Neck Trim Detail Tailored Full Midi Dress
- Length: Midi
- Sleeve length: Sleeveless
- Style: Midi Dress
£239.00
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KarenMillen
Plus Size Rose Embroidered Cotton Twill Woven Shirt Dress With Eyelets
- Length: Maxi
- Occasion: Daywear
- Style: Maxi Dress
£299.00
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KarenMillen
Plus Size Premium Slinky Crepe Scarf Detail Maxi Dress
- Occasion: Occasion
- SleeveLength: Sleeveless
- Style: Maxi Dress
£95.00
£189.00
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KarenMillen
Plus Size Denim Tailored Belted Collared Full Midi Dress
- Length: Midi
- Sleeve length: Sleeveless
- Style: Midi Dress
£169.00
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KarenMillen
Plus Size Polished Tailored Double Breasted Sinch Detail Blazer Mini Dress
- Length: Mini
- SleeveLength: Long Sleeve
- Style: Blazer Dress
£81.00
£269.00
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KarenMillen
Plus Size Textured Tweed Belted Tailored Mini Dress
- Length: Mini
- Occasion: Daywear
- Style: Mini Dress
£131.40
£219.00
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KarenMillen
Plus Size Compact Essential Belted Tailored Full Midi Dress
- Length: Midi
- Sleeve length: Sleeveless
- Style: Midi Dress
£159.00
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