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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
Ruffle Detail Viscose Knitted Mini Dress
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KarenMillen

Ruffle Detail Viscose Knitted Mini Dress

  • Design: Plain
  • Length: Mini
  • Style: Mini Dress
€169.00
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Sequin With Lace Detail One Shoulder Midi Dress
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KarenMillen

Sequin With Lace Detail One Shoulder Midi Dress

  • Fabric: Jersey
  • Neckline: One Shoulder
  • Sleeve length: Sleeveless
€195.00
wine color black color
favourite
Strong Shoulder Sequin Midi Dress
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KarenMillen

Strong Shoulder Sequin Midi Dress

  • Design: Plain
  • Detail: Sequin
  • Style: Midi Dress
€195.00
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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
€82.00 €235.00
favourite
Sequin Bandeau Train Detail Mini Dress
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KarenMillen

Sequin Bandeau Train Detail Mini Dress

  • Detail: Sequin
  • Fabric: Jersey
  • Neckline: Bandeau
€179.00
silver color chocolate color black color
favourite
Premium Crystal Embellished Bodysuit with shoulder pads
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KarenMillen

Premium Crystal Embellished Bodysuit with shoulder pads

  • Design: Embellished
  • Detail: Padded Shoulder
  • Neckline: Crew
€129.00
favourite
Crystal Trim Velvet Mini Dress With High Neck
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KarenMillen

Crystal Trim Velvet Mini Dress With High Neck

  • Design: Embellished
  • Detail: Embellished
  • Style: Mini Dress
€179.00
favourite
Crystal Trim Velvet Top
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KarenMillen

Crystal Trim Velvet Top

  • Design: Embellished
  • Detail: Embellished
  • Style: Top
€145.00
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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
€82.00 €235.00
favourite
Twist Detail Studded Jersey Maxi Dress
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KarenMillen

Twist Detail Studded Jersey Maxi Dress

  • Design: Plain
  • Detail: Studded
  • Length: Maxi
€119.00 €235.00
olive color light-blue color
favourite
Premium Crystal Embellished Midi Dress
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KarenMillen

Premium Crystal Embellished Midi Dress

  • Design: Plain
  • Fabric: Polyester
  • Neckline: Scoop
€298.00
favourite
Studded Ponte Jersey Midi Dress
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KarenMillen

Studded Ponte Jersey Midi Dress

  • Detail: Embellished
  • Length: Midi
  • Sleeve length: Sleeveless
€83.00 €169.00
navy color chocolate color
favourite
Premium Crystal Embellished Jersey Sleeveless Plunge Neck Midi Dress
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KarenMillen

Premium Crystal Embellished Jersey Sleeveless Plunge Neck Midi Dress

  • Design: Plain
  • Length: Midi
  • Style: Midi Dress
€298.00
black color chocolate color
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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
€129.00 €259.00
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Drapey Crepe Ruched Detail Maxi Dress
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KarenMillen

Drapey Crepe Ruched Detail Maxi Dress

  • Design: Plain
  • Detail: Ruched
  • Fabric: Acetate slinky
€195.00
favourite
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
€86.00 €245.00
favourite
Plus Size Pleated Bead Detail Halterneck Maxi Dress
Plus
View
KarenMillen

Plus Size Pleated Bead Detail Halterneck Maxi Dress

  • Detail: Plain
  • Length: Maxi
  • Neckline: Halterneck
€195.00
black color navy color
favourite
Embellished Bow Mini Dress With Embellished Detailing
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KarenMillen

Embellished Bow Mini Dress With Embellished Detailing

  • Fabric: Viscose
  • Neckline: Boat Neck
  • Sleeve length: Sleeveless
€169.00
favourite
Premium Crystal Embellished Midi Dress
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KarenMillen

Premium Crystal Embellished Midi Dress

  • Neckline: Scoop
  • Shop by Fit: Main
  • Style: Midi Dress
€298.00
favourite
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
€65.00 €179.00
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
€65.00 €179.00
black color nude color
favourite
Plus Size Embroidered Halterneck Pleated Midi Dress
Plus
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KarenMillen

Plus Size Embroidered Halterneck Pleated Midi Dress

  • Fabric: Woven
  • Length: Midi
  • Neckline: Round Neck
€389.00
favourite
Hotfix Studded Long Sleeve Shirt Woven Maxi Dress
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KarenMillen

Hotfix Studded Long Sleeve Shirt Woven Maxi Dress

  • Design: Plain
  • Detail: Studded
  • Length: Maxi
€86.00 €245.00
favourite
Petite Strong Shoulder Sequin Midi Dress
Petite
View
KarenMillen

Petite Strong Shoulder Sequin Midi Dress

  • Detail: Sequin
  • Length: Midi
  • Style: Midi Dress
€195.00
favourite
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
€129.00 €259.00
favourite
Plus Size Blurred Floral Cross Detail Tulle Maxi Dress
Plus
View
KarenMillen

Plus Size Blurred Floral Cross Detail Tulle Maxi Dress

  • Design: Floral
  • Detail: Ruffle
  • Fabric: Woven
€219.00
favourite
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
€68.00 €195.00
blush color black color
favourite
Premium Crystal Embellished Jumpsuit
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KarenMillen

Premium Crystal Embellished Jumpsuit

  • Length: Regular
  • Neckline: V Neck
  • Style: Wide Leg Jumpsuit
€90.00 €298.00
chocolate color gold color
favourite
Hammered Satin With Cowl Neck Strappy Woven Maxi Dress
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KarenMillen

Hammered Satin With Cowl Neck Strappy Woven Maxi Dress

  • Fabric: Woven
  • Neckline: Strappy
  • Sleeve length: Strappy
€55.00 €155.00
favourite
Guipure Lace High Neck Woven Midi Dress
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KarenMillen

Guipure Lace High Neck Woven Midi Dress

  • Design: Plain
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
€337.00
pale-blue color black color purple color red color
favourite
Silk Cotton Animal Strappy Maxi Dress
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KarenMillen

Silk Cotton Animal Strappy Maxi Dress

  • Design: All Over Print
  • Length: Maxi
  • Sleeve length: Strappy
€95.00 €272.00
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
€119.00 €235.00
olive color black color
favourite
Premium Slinky Crepe Scarf Detail Mini Dress
View
KarenMillen

Premium Slinky Crepe Scarf Detail Mini Dress

  • Length: Midi
  • Shop by Fit: Main
  • Style: Mini Dress
€86.00 €245.00
favourite
Petite Premium Crystal Embellished Midi Dress
Petite
View
KarenMillen

Petite Premium Crystal Embellished Midi Dress

  • Design: Plain
  • Detail: Embellished
  • Length: Midi
€105.00 €298.00
pink color chocolate color baby-blue color
favourite
Crystal Embellished Cutwork Cape Detail Woven Maxi Dress
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KarenMillen

Crystal Embellished Cutwork Cape Detail Woven Maxi Dress

  • Fabric: Woven
  • Neckline: High Neck
  • Style: Maxi Dress
€169.00 €480.00
favourite
Petite Crystal Trim Velvet Mini Dress With High Neck
Petite
View
KarenMillen

Petite Crystal Trim Velvet Mini Dress With High Neck

  • Detail: Embellished
  • Length: Mini
  • Style: Mini Dress
€179.00
favourite
Spot Jacquard Square Neck Tailored Full Skirted Midi Dress
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KarenMillen

Spot Jacquard Square Neck Tailored Full Skirted Midi Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
€113.00 €325.00
favourite
Sheer Viscose Georgette Sketchy Floral Woven Cowl Back Maxi
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KarenMillen

Sheer Viscose Georgette Sketchy Floral Woven Cowl Back Maxi

  • Design: Floral
  • Detail: Plain
  • Length: Maxi
€57.00 €235.00
favourite
Voile Embroidered Cutwork Balloon Sleeve Woven Maxi Dress
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KarenMillen

Voile Embroidered Cutwork Balloon Sleeve Woven Maxi Dress

  • Length: Maxi
  • Neckline: Round Neck
  • Style: Maxi Dress
€139.00 €389.00
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
€73.00 €209.00
hot-pink color silver color
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