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Birthday Dresses

Mark the moment with refined appeal after browsing our celebration-ready curation of birthday dresses. This party-appropriate edit merges fashion-first influences with an essence of elevated design, ready for your 18th, 21st, 30th, and beyond. The timeless black birthday dress is contrasted by a bold curation of colour that will keep you in the spotlight, with bold brights, aquatic blues, delicate pastels, zesty hues, and plenty of patterns and prints — with florals, geometrics, tropicals, stripes, and watercolour gradients. The birthday dresses in this edit also feature an artful series of technical craftsmanship, with glittering paillettes, floral-inspired rosettes, beaded tassels, geometric crystal embellishments, diamante and faux pearl fringing, inlaid sequin stitching, feather trims, ornate floral jacquard, intricate embroidery, and metallic stitching that flows on the form. The birthday dress is crafted from a number of premium textiles, such as our revered Compact Stretch (structured with four-way support that sculpts the silhouette for a bespoke fit), alongside ponte, crêpe, and Italian scuba material. You’ll also find languid textiles such as satin, silk, chiffon, mesh, and polished twill. Pick your birthday dress from mini, midi, and maxi silhouettes, with long puffed sleeves, draped angel sleeves, dramatic trumpet sleeves, and semi-sheer mesh sleeves are featured, appearing on bandeau column styles, cascading asymmetric waterfall skirts, vintage-inspired A-line versions, sculpting pencil silhouettes, and tiered fits. Shop birthday dresses for women below.
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favourite
Premium Crystal Embellished Top
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KarenMillen

Premium Crystal Embellished Top

  • Design: Embellished
  • Neckline: Round Neck
  • Style: Top
€129.00
black color nude color cobalt color
favourite
Crystal Embellished Ruched Detail Sleeveless Midi Dress
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KarenMillen

Crystal Embellished Ruched Detail Sleeveless Midi Dress

  • Design: Plain
  • Fabric: Polyester
  • Style: Midi Dress
€235.00
favourite
Studded Ponte Jersey Midi Dress
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KarenMillen

Studded Ponte Jersey Midi Dress

  • Detail: Embellished
  • Length: Midi
  • Sleeve length: Sleeveless
€169.00
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Crystal Embellished Ruched Detail Sleeveless Midi Dress
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KarenMillen

Crystal Embellished Ruched Detail Sleeveless Midi Dress

  • Fabric: Polyester
  • Neckline: Crew
  • Style: Midi Dress
€94.00 €235.00
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Twist Detail Studded Jersey Maxi Dress
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KarenMillen

Twist Detail Studded Jersey Maxi Dress

  • Design: Plain
  • Detail: Studded
  • Length: Maxi
€235.00
olive color light-blue color
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Premium Crystal Embellished Jumpsuit
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KarenMillen

Premium Crystal Embellished Jumpsuit

  • Length: Regular
  • Neckline: V Neck
  • Style: Wide Leg Jumpsuit
€298.00
chocolate color gold color
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Embellished Figure Form Bandage And Chiffon Sleeve Midi Dress
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KarenMillen

Embellished Figure Form Bandage And Chiffon Sleeve Midi Dress

  • Neckline: Crew
  • Sleeve length: Long Sleeve
  • Style: Knitted Dress
€61.00 €245.00
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Crystal Embellished Tie Detail Halter Neck Maxi Dress
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KarenMillen

Crystal Embellished Tie Detail Halter Neck Maxi Dress

  • Neckline: High Neck
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
€259.00
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Figure Form Bandage Feather Detail Bandeau Knit Midi Dress
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KarenMillen

Figure Form Bandage Feather Detail Bandeau Knit Midi Dress

  • Design: Plain
  • Detail: Feather
  • Sleeve length: Sleeveless
€119.00 €235.00
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Premium Slinky Crepe Embellished Cut Out Maxi Dress
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KarenMillen

Premium Slinky Crepe Embellished Cut Out Maxi Dress

  • Detail: Cutout
  • Fabric: Cotton
  • Sleeve length: Long Sleeve
€179.00
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Drama Ruffle Asymmetric Mini Dress
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KarenMillen

Drama Ruffle Asymmetric Mini Dress

  • Detail: Ruffle
  • Fabric: Polyester
  • Sleeve length: Sleeveless
€52.00 €129.00
red color black color
favourite
Drama Ruffle Asymmetric Midi Dress
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KarenMillen

Drama Ruffle Asymmetric Midi Dress

  • Detail: Ruffle
  • Fabric: Polyester
  • Neckline: One Shoulder
€79.00 €155.00
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Viscose Blend Slinky Sheer Lace Detail Knit Maxi Dress
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KarenMillen

Viscose Blend Slinky Sheer Lace Detail Knit Maxi Dress

  • Design: Plain
  • Detail: Lace
  • Style: Knitted Dress
€209.00
navy color ivory color burgundy color orange color mono color
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Velvet Plunge Neck Taffeta Peplum Long Sleeve Mini Dress
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KarenMillen

Velvet Plunge Neck Taffeta Peplum Long Sleeve Mini Dress

  • Design: Plain
  • Fabric: Jersey
  • Style: Mini Dress
€45.00 €179.00
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Premium Crystal Embellished Jersey Cowl Neck Mini Dress
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KarenMillen

Premium Crystal Embellished Jersey Cowl Neck Mini Dress

  • Length: Mini
  • Neckline: Cowl
  • Style: Mini Dress
€105.00 €259.00
gold color cobalt color
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Bandage Embellished And Chiffon Sleeve Figure Form Knit Top
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KarenMillen

Bandage Embellished And Chiffon Sleeve Figure Form Knit Top

  • Design: Fabric Interest
  • Detail: Embellished
  • Sleeve length: Long Sleeve
€39.00 €129.00
black color burgundy color
favourite
Premium Slinky Crepe Embellished Cut Out Maxi Dress
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KarenMillen

Premium Slinky Crepe Embellished Cut Out Maxi Dress

  • Length: Maxi
  • Neckline: Asymmetric
  • Style: Maxi Dress
€73.00 €179.00
black color nude color
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Premium Crystal Embellished Jersey Sleeveless Plunge Neck Midi Dress
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KarenMillen

Premium Crystal Embellished Jersey Sleeveless Plunge Neck Midi Dress

  • Length: Midi
  • Neckline: Plunge
  • Sleeve length: Sleeveless
€325.00
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Whitley Neill Premium Crystal Embellished Midi Dress
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KarenMillen

Whitley Neill Premium Crystal Embellished Midi Dress

  • Length: Midi
  • Neckline: Scoop
  • Style: Midi Dress
€298.00
favourite
Hammered Satin With Lace Trim Long Sleeve Hanky Hem Dress
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KarenMillen

Hammered Satin With Lace Trim Long Sleeve Hanky Hem Dress

  • Design: Plain
  • Fabric: Woven
  • Style: Maxi Dress
€59.00 €195.00
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Baroque Balloon Sleeve Maxi Dress
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KarenMillen

Baroque Balloon Sleeve Maxi Dress

  • Detail: All Over Print
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
€105.00 €259.00
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Crystal Embellished Cowl Back Maxi Dress
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KarenMillen

Crystal Embellished Cowl Back Maxi Dress

  • Detail: Plain
  • Fabric: Jersey
  • Length: Maxi
€152.00 €337.00
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Petite Crystal Embellished Tie Detail Halter Neck Maxi Dress
Petite
View
KarenMillen

Petite Crystal Embellished Tie Detail Halter Neck Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
€259.00
favourite
Viscose Georgette Ruffle Sleeveless Woven Midi Dress
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KarenMillen

Viscose Georgette Ruffle Sleeveless Woven Midi Dress

  • Detail: Ruffle
  • Fabric: Woven
  • Length: Midi
€235.00
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Viscose Georgette Cape Sleeve Ruffle Woven Maxi Dress
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KarenMillen

Viscose Georgette Cape Sleeve Ruffle Woven Maxi Dress

  • Design: Plain
  • Detail: Ruffle
  • Length: Maxi
€219.00
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Crinkle Georgette Cape Blur Print Woven Maxi Dress
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KarenMillen

Crinkle Georgette Cape Blur Print Woven Maxi Dress

  • Design: Floral
  • Detail: Crinkle
  • Neckline: Round Neck
€209.00
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Drape Sleeve Embellished Midaxi Dress
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KarenMillen

Drape Sleeve Embellished Midaxi Dress

  • Length: Midaxi
  • Sleeve length: Long Sleeve
  • Style: Midaxi Dress
€125.00 €415.00
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Figure Form Bandage Knit Rosette Detail Midi Dress
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KarenMillen

Figure Form Bandage Knit Rosette Detail Midi Dress

  • Detail: Tassels
  • Length: Midi
  • Sleeve length: Short Sleeve
€59.00 €195.00
blush color black color
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Beaded Fringed Sleeveless Woven Midi Dress
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KarenMillen

Beaded Fringed Sleeveless Woven Midi Dress

  • Design: Plain
  • Neckline: Crew
  • Style: Midi Dress
€148.00 €493.00
orange color lime color
favourite
Petite Twist Detail Studded Jersey Maxi Dress
Petite
View
KarenMillen

Petite Twist Detail Studded Jersey Maxi Dress

  • Detail: Studded
  • Length: Maxi
  • Style: Maxi Dress
€235.00
favourite
Premium Slinky Crepe Scarf Detail Mini Dress
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KarenMillen

Premium Slinky Crepe Scarf Detail Mini Dress

  • Length: Midi
  • Shop by Fit: Main
  • Style: Mini Dress
€61.00 €245.00
favourite
Premium Crystal Embellished Midi Dress
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KarenMillen

Premium Crystal Embellished Midi Dress

  • Design: Plain
  • Neckline: Scoop
  • Style: Midi Dress
€149.00 €298.00
hot-pink color blue color gold color chocolate color cobalt color
favourite
Chain Print Hammered Satin Cowl Neck Dress
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KarenMillen

Chain Print Hammered Satin Cowl Neck Dress

  • Design: Chain
  • Neckline: Round Neck
  • Style: Midi Dress
€49.00 €169.00
favourite
Foil Metallic Figure Form Bandage Angel Sleeve Knit Maxi Dress
Tall
View
KarenMillen

Foil Metallic Figure Form Bandage Angel Sleeve Knit Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
€105.00 €209.00
hot-pink color silver color
favourite
Premium Crystal Embellished Jersey Halter Top
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KarenMillen

Premium Crystal Embellished Jersey Halter Top

  • Design: Fabric Interest
  • Neckline: Halterneck
  • Style: Top
€129.00
black color olive color
favourite
Compact Stretch Diamante Trim Detail Column Dress
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KarenMillen

Compact Stretch Diamante Trim Detail Column Dress

  • Detail: Embellished
  • Neckline: High Neck
  • Style: Midi Dress
€325.00
ivory color black color
favourite
Plus Size Sequin Halter Neck Hanky Hem Maxi Dress
Plus
View
KarenMillen

Plus Size Sequin Halter Neck Hanky Hem Maxi Dress

  • Detail: Sequin
  • Neckline: Halterneck
  • Style: Maxi Dress
€219.00
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Plus Size Double Breasted Belted Tipped Tailored Midi Dress
Plus
View
KarenMillen

Plus Size Double Breasted Belted Tipped Tailored Midi Dress

  • Detail: Buttons
  • Length: Midi
  • Neckline: Collared
€298.00
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Plus Size Spot Print Pleated Slub Organdie Peplum Woven Maxi Dress
Plus
View
KarenMillen

Plus Size Spot Print Pleated Slub Organdie Peplum Woven Maxi Dress

  • Design: Plain
  • Length: Maxi
  • Style: Maxi Dress
€259.00
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Plus Size Floral Print Twill Midi Dress
Plus
View
KarenMillen

Plus Size Floral Print Twill Midi Dress

  • Detail: Floral
  • Length: Midi
  • Neckline: Round Neck
€169.00
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