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Royal Blue Prom Dresses

Our royal blue prom dresses combine elegance with modern glamour. The rich, deep hue of royal blue exudes regal sophistication. Attention to detail is key, with features such as corseted bodices for enhanced shaping, elegant off-the-shoulder or halter necklines, and flowing skirts that move gracefully. Whether you prefer a figure-hugging bodycon dress adorned with delicate embellishments, a flowing chiffon gown that drapes effortlessly, or a structured satin piece with a striking neckline, there is a royal blue dress to suit every personal style and preference. A royal blue prom dress ensures a refined look, allowing you to shine with confidence and grace on your special night. Explore our selection to find the perfect royal blue dress for prom!

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Drama Ruffle Asymmetric Midi Dress
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KarenMillen

Drama Ruffle Asymmetric Midi Dress

  • Detail: Ruffle
  • Fabric: Polyester
  • Sleeve length: Sleeveless
£48.00 £119.00
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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
  • Sleeve length: Long Sleeve
  • Style: Mini Dress
£99.00 £199.00
cobalt color gold 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
£84.15 £99.00
cobalt color green color mango color red color black color ivory color
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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

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£87.00 £219.00
cobalt color emerald color
favourite
Petite Drama Ruffle Asymmetric Midi Dress
Petite
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KarenMillen

Petite Drama Ruffle Asymmetric Midi Dress

  • Fabric: Polyester
  • Length: Midi
  • Sleeve length: Sleeveless
£48.00 £119.00
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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
£56.00 £139.00
cobalt color ivory color black color
favourite
Strappy Pleated Maxi Dress
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KarenMillen

Strappy Pleated Maxi Dress

  • Design: Plain
  • Fabric: Woven
  • Neckline: Strappy
£69.00 £139.00
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Plus Size Tailored Belted Midi Shirt Dress
Plus
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KarenMillen

Plus Size Tailored Belted Midi Shirt Dress

  • Design: Plain
  • Length: Midi
  • Sleeve length: Long Sleeve
£119.00 £199.00
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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
£54.00 £179.00
cobalt color green color
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Crinkle Cold Shoulder Georgette Woven Maxi Dress
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KarenMillen

Crinkle Cold Shoulder Georgette Woven Maxi Dress

  • Detail: Crinkle
  • Fabric: Woven
  • Neckline: Round Neck
£68.00 £169.00
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Plus Size Tailored Roll Neck Pencil Midi Dress
Plus
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KarenMillen

Plus Size Tailored Roll Neck Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
£99.00 £199.00
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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
£76.00 £189.00
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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
  • Length: Maxi
  • Sleeve length: Short Sleeve
£159.20 £199.00
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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
£47.00 £189.00
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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
  • Fabric: Woven
  • Length: Maxi
£169.00
cobalt color red color black color
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Tailored Belted Midi Shirt Dress
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KarenMillen

Tailored Belted Midi Shirt Dress

  • Detail: Buttons
  • Fabric: Polyester
  • Length: Midi
£119.00 £199.00
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Tailored Collared Long Sleeve Midi Dress
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KarenMillen

Tailored Collared Long Sleeve Midi Dress

  • Design: Plain
  • Fabric: Polyester
  • Neckline: Collared
£99.00 £199.00
cobalt color ivory color
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Fringed Beaded Halter Neck Woven Maxi Dress
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KarenMillen

Fringed Beaded Halter Neck Woven Maxi Dress

  • Fabric: Woven
  • Neckline: Round Neck
  • Sleeve length: Sleeveless
£373.15 £439.00
cobalt color light-blue color
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Premium Beaded Embellished Woven Midaxi Cape Dress
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KarenMillen

Premium Beaded Embellished Woven Midaxi Cape Dress

  • Design: Plain
  • Detail: Embellished
  • Style: Maxi Dress
£274.00 £549.00
favourite
Structured Tailored Belted Midi Dress
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KarenMillen

Structured Tailored Belted Midi Dress

  • Detail: Belted
  • Neckline: V Neck
  • Sleeve length: Short Sleeve
£88.00 £219.00
cobalt color light-pink color
favourite
Tailored Roll Neck Pencil Midi Dress
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KarenMillen

Tailored Roll Neck Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
£99.00 £199.00
cobalt color yellow color sage color
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
£109.00 £219.00
favourite
Viscose Satin Sleeveless Cowl Neck Drape Woven Maxi Dress
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KarenMillen

Viscose Satin Sleeveless Cowl Neck Drape Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£69.00 £139.00
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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
£101.00 £169.00
favourite
Petite Crinkle Cold Shoulder Georgette Woven Maxi Dress
Petite
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KarenMillen

Petite Crinkle Cold Shoulder Georgette Woven Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Neckline: Round Neck
£84.00 £169.00
favourite
Petite Tailored Belted Midi Shirt Dress
Petite
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KarenMillen

Petite Tailored Belted Midi Shirt Dress

  • Design: Plain
  • Fabric: Polyester
  • Sleeve length: Long Sleeve
£119.00 £199.00
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
£69.00 £229.00
favourite
Velvet And Jacquard Contrast Halterneck Tailored Mini Dress
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KarenMillen

Velvet And Jacquard Contrast Halterneck Tailored Mini Dress

  • Occasion: Occasion
  • SleeveLength: Sleeveless
  • Style: Mini Dress
£68.00 £169.00
cobalt color mono color
favourite
Velvet And Jacquard Contrast Strappy Tailored Midi Dress
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KarenMillen

Velvet And Jacquard Contrast Strappy Tailored Midi Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Midi Dress
£80.00 £199.00
cobalt color mono color
favourite
Tailored Drape Back Pencil Midi Dress
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KarenMillen

Tailored Drape Back Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Cap Sleeve
  • Style: Midi Dress
£80.00 £199.00
cobalt color ivory color
favourite
Lace Petal Applique Balloon Sleeve Woven Midi Dress
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KarenMillen

Lace Petal Applique Balloon Sleeve Woven Midi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
£143.40 £239.00
favourite
Crystal Embellished Halter Woven Maxi Dress
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KarenMillen

Crystal Embellished Halter Woven Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
£102.00 £339.00
favourite
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
  • Detail: Plain
  • Sleeve length: Long Sleeve
£95.20 £119.00
cobalt color black color rust color
favourite
Petite Premium Stretch Crepe Jersey V Neck Zip Detail Maxi Dress
Petite
View
KarenMillen

Petite Premium Stretch Crepe Jersey V Neck Zip Detail Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£80.00 £199.00
favourite
Structured Ruched Detail Midi Dress
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KarenMillen

Structured Ruched Detail Midi Dress

  • Design: Plain
  • Detail: Plain
  • Sleeve length: Short Sleeve
£107.00 £179.00
cobalt color light-pink color
favourite
Structured Crepe Full Skirted Tailored Asymmetrical Maxi Dress
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KarenMillen

Structured Crepe Full Skirted Tailored Asymmetrical Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£75.00 £249.00
favourite
Square Neck Tailored Full Skirted Maxi Dress
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KarenMillen

Square Neck Tailored Full Skirted Maxi Dress

  • Length: Maxi
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
£199.00
cobalt color red color
favourite
Petite Tailored Scuba Strappy Full Skirted Midi Dress
Petite
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KarenMillen

Petite Tailored Scuba Strappy Full Skirted Midi Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Midi Dress
£72.00 £239.00
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
£72.00 £289.00
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