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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KarenMillen
Crystal Embellished Ruched Detail Sleeveless Midi Dress
- Length: Midi
- Neckline: Crew
- Style: Midi Dress
$394.00
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KarenMillen
Studded Ponte Jersey Midi Dress
- Detail: Embellished
- Neckline: Crew
- Style: Midi Dress
$284.00
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KarenMillen
Crystal Embellished Ruched Detail Sleeveless Midi Dress
- Detail: Embellished
- Neckline: Crew
- Style: Midi Dress
$158.00
$394.00
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KarenMillen
Scoop Neck Jersey Cotton Mix Maxi Dress
- Design: Plain
- Fabric: Jersey
- Neckline: Scoop
$262.00
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KarenMillen
Twist Detail Studded Jersey Maxi Dress
- Detail: Studded
- Fabric: Jersey
- Style: Maxi Dress
$394.00
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KarenMillen
Marbled Print Mesh Ruched Maxi Dress
- Neckline: Crew
- Sleeve length: Long Sleeve
- Style: Maxi Dress
$218.00
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KarenMillen
Plus Size Twill Collared Woven Maxi Dress
- Length: Maxi
- Neckline: Collared
- Sleeve length: Long Sleeve
$306.00
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KarenMillen
Embellished Figure Form Bandage And Chiffon Sleeve Midi Dress
- Design: Fabric Interest
- Fabric: Polyester
- Style: Knitted Dress
$103.00
$416.00
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KarenMillen
Premium Slinky Crepe Embellished Cut Out Maxi Dress
- Design: Embellished
- Fabric: Cotton
- Neckline: Asymmetric
$306.00
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KarenMillen
Long Sleeve Jersey Maxi Dress
- Design: Plain
- Detail: Plain
- Fabric: Jersey
$106.00
$262.00
Petite
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KarenMillen
Petite Scoop Neck Jersey Cotton Mix Maxi Dress
- Detail: Plain
- Length: Maxi
- Sleeve length: Strappy
$284.00
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KarenMillen
Premium Slinky Crepe Embellished Cut Out Maxi Dress
- Design: Embellished
- Fabric: Cotton
- Neckline: Asymmetric
$123.00
$306.00
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KarenMillen
Tulle Layered Long Sleeve Maxi Dress
- Design: Plain
- Sleeve length: Long Sleeve
- Style: Maxi Dress
$198.00
$394.00
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KarenMillen
Hammered Satin With Lace Trim Long Sleeve Hanky Hem Dress
- Design: Plain
- Neckline: Round Neck
- Sleeve length: Long Sleeve
$99.00
$328.00
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KarenMillen
Baroque Balloon Sleeve Maxi Dress
- Design: All Over Print
- Fabric: Woven
- Sleeve length: Long Sleeve
$176.00
$438.00
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KarenMillen
Stripe Pleated Ruffle Sleeve Woven Maxi Dress
- Design: Plain
- Length: Maxi
- Neckline: High Neck
$176.00
$438.00
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KarenMillen
Whitley Neill Premium Crystal Embellished Midi Dress
- Detail: Embellished
- Fabric: Polyester
- Neckline: Scoop
$504.00
Petite
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KarenMillen
Petite Crystal Embellished Tie Detail Halter Neck Maxi Dress
- Design: Plain
- Detail: Embellished
- Length: Maxi
$438.00
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KarenMillen
Crystal Embellished Cowl Back Maxi Dress
- Fabric: Jersey
- Sleeve length: Long Sleeve
- Style: Maxi Dress
$229.00
$570.00
Petite
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KarenMillen
Petite Ponte And Georgette Jersey Pleated Maxi Dress
- Detail: Pleated
- Neckline: Crew
- Sleeve length: Sleeveless
$306.00
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KarenMillen
Viscose Georgette Cape Sleeve Ruffle Woven Maxi Dress
- Design: Plain
- Detail: Ruffle
- Neckline: Round Neck
$372.00
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KarenMillen
Drape Sleeve Embellished Midaxi Dress
- Detail: Embellished
- Fabric: Woven
- Sleeve length: Long Sleeve
$211.00
$702.00
Plus
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KarenMillen
Plus Size Check Tailored Dress
- Design: Check
- Neckline: Asymmetric
- Style: Tailored Dress
$438.00
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KarenMillen
Compact Stretch Diamante Trim Detail Column Dress
- Detail: Embellished
- Neckline: High Neck
- Sleeve length: Sleeveless
$548.00
Plus
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KarenMillen
Plus Size Spot Print Pleated Slub Organdie Peplum Woven Maxi Dress
- Length: Maxi
- Neckline: Strappy
- Style: Maxi Dress
$438.00
Plus
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KarenMillen
Plus Size Floral Print Twill Midi Dress
- Fabric: Woven
- Neckline: Round Neck
- Style: Midi Dress
$284.00
Plus
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KarenMillen
Plus Size Double Breasted Belted Tipped Tailored Midi Dress
- Fabric: Polyester
- Neckline: Collared
- Sleeve length: Sleeveless
$504.00
Plus
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KarenMillen
Plus Size Sequin Halter Neck Hanky Hem Maxi Dress
- Design: Plain
- Neckline: Halterneck
- Style: Maxi Dress
$372.00
Plus
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KarenMillen
Plus Size Geo Print Hammered Satin Tie Waist Woven Midi Dress
- Fabric: Woven
- Neckline: Collared
- Style: Midi Dress
$262.00
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KarenMillen
Pleated Maxi Dress
- Fabric: Woven
- Sleeve length: Sleeveless
- Style: Maxi Dress
$198.00
$394.00
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KarenMillen
Jacquard Long Sleeve Hanky Hem Woven Maxi Dress
- Detail: Jacquard
- Fabric: Woven
- Length: Maxi
$141.00
$350.00
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KarenMillen
Cotton Ponte Jersey Ruffle Hem Maxi Dress
- Detail: Ruffle
- Neckline: Scoop
- Style: Maxi Dress
$262.00
Plus
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KarenMillen
Plus Size Structured Crepe Forever Pleat Dress
- Length: Midi
- Neckline: V Neck
- Sleeve length: Short Sleeve
$482.00
Plus
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KarenMillen
Plus Size Stripe Collared Woven Midi Dress
- Design: Stripes
- Fabric: Woven
- Sleeve length: Short Sleeve
$394.00
Plus
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KarenMillen
Plus Size Trim Detail Organdie Midi Shirt Dress
- Design: Plain
- Length: Midi
- Neckline: Collared
$372.00
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KarenMillen
Feather Crystal Embellished Maxi Dress
- Fabric: Polyester
- Length: Maxi
- Sleeve length: Long Sleeve
$277.00
$922.00
Petite
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KarenMillen
Petite Compact Stretch Square Neck Tailored Full Skirted Maxi Dress
- Detail: Plain
- Length: Midi
- Style: Maxi Dress
$438.00
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KarenMillen
Plunge Ruched Twist Jersey Maxi Dress
- Detail: Ruched
- Fabric: Jersey
- Sleeve length: Sleeveless
$125.00
$416.00
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KarenMillen
Jersey Crepe Asymmetric Neckline Maxi Dress
- Detail: Asymmetric
- Neckline: Asymmetric
- Sleeve length: Sleeveless
$152.00
$218.00
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KarenMillen
Mono Geo Silk Cotton Woven Shirt Dress
- Design: Patterned
- Detail: Plain
- Length: Maxi
$211.00
$526.00
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