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Royal Blue Prom Dresses

Color-coded elegant aesthetics define the regal edit of royal blue prom dresses, with a series of showstopping silhouettes. The royal blue prom dresses below marriage elements of traditional elegance with a modern undercurrent, resulting in a collection to remember. Find your custom piece from a series of luxury textiles, with languid silk, elegant linen, flowing chiffon, and cascading organza materials that are contrasted by several form-fitting textiles — think knitted jersey, structured crêpe, woven jacquard, and the four-way support of our revered Compact Stretch. The royal blue prom dresses 2025 collection boasts a series of cuts, with royal blue short prom dresses offsetting the longline length of maxi cuts. Expect artful finishes, such as dynamic tassels, scintillating sequins, gathered rosettes, tactile feather trims, ornate lace panels, scalloped hems, and appliqué details aplenty.
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favourite
Forever Twill Collared Maxi Dress
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KarenMillen

Forever Twill Collared Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Style: Maxi Dress
$289.00
cobalt color red color jade color black color navy color mint color
favourite
Square Neck Tailored Full Skirted Maxi Dress
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KarenMillen

Square Neck Tailored Full Skirted Maxi Dress

  • Detail: Plain
  • Length: Maxi
  • Sleeve length: Short Sleeve
$359.00
turquoise color orange color red color cobalt color merlot color
favourite
Fringed Beaded Halter Neck Woven Maxi Dress
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KarenMillen

Fringed Beaded Halter Neck Woven Maxi Dress

  • Design: Plain
  • Detail: Fringed
  • Sleeve length: Sleeveless
$789.00
cobalt color light-blue color
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Stripe Fabric Detail Fluid Halter Maxi Dress
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KarenMillen

Stripe Fabric Detail Fluid Halter Maxi Dress

  • Detail: Plain
  • Length: Maxi
  • Style: maxidress
$309.00
cobalt color red color black color
favourite
Figure Form Bandage Knit Embellished Wide Sleeve Midi Dress
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KarenMillen

Figure Form Bandage Knit Embellished Wide Sleeve Midi Dress

  • Length: Midi
  • Neckline: Crew
  • Sleeve length: Long Sleeve
$449.00
cobalt color red color ivory color
favourite
Jersey Crepe Asymmetric Neckline Maxi Dress
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KarenMillen

Jersey Crepe Asymmetric Neckline Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
$65.00 $179.00
cobalt color mango color black color ivory color green color
favourite
Structured Ruched Detail Midi Dress
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KarenMillen

Structured Ruched Detail Midi Dress

  • Design: Plain
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
$109.00 $319.00
cobalt color light-pink color navy color pink color
favourite
Tailored Collared Long Sleeve Midi Dress
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KarenMillen

Tailored Collared Long Sleeve Midi Dress

  • Design: Plain
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$129.00 $359.00
cobalt color ivory color
favourite
Tailored Roll Neck Pencil Midi Dress
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KarenMillen

Tailored Roll Neck Pencil Midi Dress

  • Design: Plain
  • Detail: Belted
  • Style: Midi Dress
$129.00 $359.00
cobalt color sage color yellow color
favourite
Foil Metallic Figure Form Bandage Angel Sleeve Knit Maxi Dress
Tall
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KarenMillen

Foil Metallic Figure Form Bandage Angel Sleeve Knit Maxi Dress

  • Design: Plain
  • Length: Maxi
  • Style: Maxi Dress
$289.00
cobalt color chocolate color red color
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Stretch Drapey Crepe Ruched Plunge Neck Batwing Sleeve Maxi Dress
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KarenMillen

Stretch Drapey Crepe Ruched Plunge Neck Batwing Sleeve Maxi Dress

  • Design: Plain
  • Fabric: Polyester
  • Length: Maxi
$219.00
cobalt color black color rust color
favourite
Tailored Belted Midi Shirt Dress
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KarenMillen

Tailored Belted Midi Shirt Dress

  • Fabric: Polyester
  • Length: Midi
  • Sleeve length: Long Sleeve
$129.00 $359.00
favourite
Drama Ruffle Asymmetric Midi Dress
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KarenMillen

Drama Ruffle Asymmetric Midi Dress

  • Detail: Ruffle
  • Length: Midi
  • Sleeve length: Sleeveless
$75.00 $219.00
favourite
Premium Beaded Embellished Woven Midaxi Cape Dress
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KarenMillen

Premium Beaded Embellished Woven Midaxi Cape Dress

  • Design: Plain
  • Fabric: Woven
  • Length: Maxi
$349.00 $989.00
favourite
Premium Stretch Crepe Jersey V Neck Zip Detail Maxi Dress
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KarenMillen

Premium Stretch Crepe Jersey V Neck Zip Detail Maxi Dress

  • Detail: Plain
  • Length: Maxi
  • Neckline: V Neck
$119.00 $399.00
cobalt color emerald color
favourite
Tailored Lace up Back Detail Midi Dress
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KarenMillen

Tailored Lace up Back Detail Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$75.00 $249.00
cobalt color ivory color black color
favourite
Petite Stripe Fabric Detail Fluid Halter Maxi Dress
Petite
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KarenMillen

Petite Stripe Fabric Detail Fluid Halter Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$109.00 $309.00
favourite
Viscose Satin Sleeveless Cowl Neck Drape Woven Maxi Dress
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KarenMillen

Viscose Satin Sleeveless Cowl Neck Drape Woven Maxi Dress

  • Design: Plain
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$89.00 $249.00
favourite
Structured Tailored Belted Midi Dress
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KarenMillen

Structured Tailored Belted Midi Dress

  • Design: Plain
  • Fabric: Polyester
  • Length: Midi
$119.00 $399.00
cobalt color light-pink color
favourite
Premium Crystal Embellished Jersey Cowl Neck Mini Dress
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KarenMillen

Premium Crystal Embellished Jersey Cowl Neck Mini Dress

  • Length: Mini
  • Sleeve length: Long Sleeve
  • Style: Mini Dress
$129.00 $359.00
cobalt color gold color
favourite
Cowl Neck Drape Woven Maxi Dress
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KarenMillen

Cowl Neck Drape Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$119.00 $339.00
favourite
Plus Size Square Neck Tailored Full Skirted Maxi Dress
Plus
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KarenMillen

Plus Size Square Neck Tailored Full Skirted Maxi Dress

  • Detail: Plain
  • Neckline: Square
  • Style: Maxi Dress
$359.00
favourite
Soft Tailored Colour Block Cape Detail Full Skirted Maxi Dress
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KarenMillen

Soft Tailored Colour Block Cape Detail Full Skirted Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$129.00 $519.00
favourite
Bandage Form Fitting Cape Sleeve Embellished Mini Dress
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KarenMillen

Bandage Form Fitting Cape Sleeve Embellished Mini Dress

  • Length: Mini
  • Sleeve length: Long Sleeve
  • Style: Mini Dress
$99.00 $319.00
cobalt color green color
favourite
Petite Tailored Belted Midi Shirt Dress
Petite
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KarenMillen

Petite Tailored Belted Midi Shirt Dress

  • Design: Plain
  • Length: Midi
  • Neckline: Collared
$129.00 $359.00
favourite
Tailored Drape Back Pencil Midi Dress
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KarenMillen

Tailored Drape Back Pencil Midi Dress

  • Detail: Draping
  • Fabric: Polyester
  • Style: Midi Dress
$129.00 $359.00
favourite
Strappy Pleated Maxi Dress
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KarenMillen

Strappy Pleated Maxi Dress

  • Design: Plain
  • Detail: Plain
  • Neckline: Strappy
$89.00 $249.00
favourite
Velvet And Jacquard Contrast Halterneck Tailored Mini Dress
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KarenMillen

Velvet And Jacquard Contrast Halterneck Tailored Mini Dress

  • Detail: Bow
  • Length: Mini
  • Neckline: High Neck
$109.00 $309.00
cobalt color mono color
favourite
Petite Drama Ruffle Asymmetric Midi Dress
Petite
View
KarenMillen

Petite Drama Ruffle Asymmetric Midi Dress

  • Design: Plain
  • Detail: Ruffle
  • Sleeve length: Sleeveless
$75.00 $219.00
favourite
Lace Ruffle Hem Midi Dress
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KarenMillen

Lace Ruffle Hem Midi Dress

  • Design: Plain
  • Neckline: V Neck
  • Sleeve length: Short Sleeve
$309.00
cobalt color plum color
favourite
Plus Size Tailored Belted Midi Shirt Dress
Plus
View
KarenMillen

Plus Size Tailored Belted Midi Shirt Dress

  • Detail: Buttons
  • Sleeve length: Long Sleeve
  • Style: Shirt Dress
$129.00 $359.00
favourite
Velvet And Jacquard Contrast Strappy Tailored Midi Dress
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KarenMillen

Velvet And Jacquard Contrast Strappy Tailored Midi Dress

  • Detail: Plain
  • Neckline: Crew
  • Style: Midi Dress
$129.00 $359.00
cobalt color mono color
favourite
Plus Size Tailored Roll Neck Pencil Midi Dress
Plus
View
KarenMillen

Plus Size Tailored Roll Neck Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
$129.00 $359.00
favourite
Crinkle Cold Shoulder Georgette Woven Maxi Dress
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KarenMillen

Crinkle Cold Shoulder Georgette Woven Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Style: Maxi Dress
$89.00 $309.00
favourite
Petite Crinkle Cold Shoulder Georgette Woven Maxi Dress
Petite
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KarenMillen

Petite Crinkle Cold Shoulder Georgette Woven Maxi Dress

  • Detail: Crinkle
  • Neckline: Round Neck
  • Style: Maxi Dress
$89.00 $309.00
favourite
Plus Size Structured Tailored Belted Midi Dress
Plus
View
KarenMillen

Plus Size Structured Tailored Belted Midi Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
$139.00 $399.00
favourite
Tailored Scuba Corset Strappy Midi Pencil Dress
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KarenMillen

Tailored Scuba Corset Strappy Midi Pencil Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Midi Dress
$129.00 $409.00
favourite
Tailored Scuba Corset Detail Mini Dress
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KarenMillen

Tailored Scuba Corset Detail Mini Dress

  • Length: Mini
  • Sleeve length: Sleeveless
  • Style: Mini Dress
$85.00 $339.00
favourite
Lace Petal Applique Balloon Sleeve Woven Midi Dress
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KarenMillen

Lace Petal Applique Balloon Sleeve Woven Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$129.00 $429.00
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