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Casual Wedding Guest Dresses

Curated for low-key nuptials, our casual wedding guest dress edit offers an elegant take on dress codes for events. Below, you’ll find casual wedding guest dresses made from easy-going textiles such as satin, silk, linen, and chiffon. Whether you’re attending a beach ceremony or an intimate garden celebrations, there’s a casual wedding guest outfit to match the mood. For laid-back outdoor ceremonies, consider lightweight fabrics, floral prints, and soft pastels. A flowy midi or maxi dress makes for a charming look at relaxed receptions. For destination weddings, opt for strappy sundresses or halter-neck styles in linen, cotton, or jersey. From flirty mini dresses to floor-sweeping casual wedding guest dresses, find the perfect fit below.

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favourite
Cotton Voile Maxi Beach Dress
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KarenMillen

Cotton Voile Maxi Beach Dress

  • Fabric: Woven
  • Neckline: Plunge
  • Style: Beach Dress
£99.00
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Slinky Crepe Twist Detail Maxi Dress
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KarenMillen

Slinky Crepe Twist Detail Maxi Dress

  • Design: Plain
  • Length: Maxi
  • Sleeve length: Long Sleeve
£139.00
black color chocolate color pale-blue color
favourite
Abstract Animal Mesh Beach Dress
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KarenMillen

Abstract Animal Mesh Beach Dress

  • Fabric: Woven
  • Length: Midi
  • Style: Beach Dress
£69.00
favourite
Long Sleeve Jersey Maxi Dress
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KarenMillen

Long Sleeve Jersey Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£119.00
sage color ivory color red color
favourite
Ombre Sunset Mesh Strappy Beach Dress
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KarenMillen

Ombre Sunset Mesh Strappy Beach Dress

  • Detail: Plain
  • Fabric: Cotton Mix
  • Length: Maxi
£79.00
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Petite Ponte And Georgette Jersey Pleated Maxi Dress
Petite
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KarenMillen

Petite Ponte And Georgette Jersey Pleated Maxi Dress

  • Design: Plain
  • Detail: Pleated
  • Length: Maxi
£139.00
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Petite Figure Form Woven Bandage Mix Dress
Petite
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KarenMillen

Petite Figure Form Woven Bandage Mix Dress

  • Design: Plain
  • Fabric: Knitted
  • Style: Knitted Dress
£129.00
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Embroidered Detail Halterneck Dress
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KarenMillen

Embroidered Detail Halterneck Dress

  • Detail: Embroidered
  • Length: Midi
  • Neckline: Halterneck
£219.00
navy color ivory color
favourite
Plus Size Stripe Cotton Rosette Woven Shirt Maxi Dress
Plus
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KarenMillen

Plus Size Stripe Cotton Rosette Woven Shirt Maxi Dress

  • Occasion: Daywear
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£119.20 £149.00
favourite
Petite Long Sleeve Jersey Maxi Dress
Petite
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KarenMillen

Petite Long Sleeve Jersey Maxi Dress

  • Design: Plain
  • Detail: Plain
  • Length: Maxi
£119.00
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Plunge Ruched Twist Jersey Maxi Dress
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KarenMillen

Plunge Ruched Twist Jersey Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£75.00 £189.00
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Lace Halter Woven Midi Dress
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KarenMillen

Lace Halter Woven Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£189.00
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Techno Cotton Woven Maxi Shirt Dress With Gold Clasps
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KarenMillen

Techno Cotton Woven Maxi Shirt Dress With Gold Clasps

  • Design: Contrast
  • Fabric: Cotton
  • Style: Maxi Dress
£149.00
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Cotton Collared Stripe Halter Neck Woven Midi Shirt Dress With Dropped Waist Detail
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KarenMillen

Cotton Collared Stripe Halter Neck Woven Midi Shirt Dress With Dropped Waist Detail

  • Detail: Stripes
  • Fabric: Woven
  • Length: Midi
£139.00
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Cotton Collared Halter Neck Woven Midi Shirt Dress With Dropped Waist Detail
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KarenMillen

Cotton Collared Halter Neck Woven Midi Shirt Dress With Dropped Waist Detail

  • Detail: Plain
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£129.00
mint color white color lemon color
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Tailored Check Belted Mini Dress
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KarenMillen

Tailored Check Belted Mini Dress

  • Fabric: Woven
  • Sleeve length: Short Sleeve
  • Style: Mini Dress
£189.00
ivory color red color
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Cotton Border Cutwork Maxi Dress With Ladder Lace Trim
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KarenMillen

Cotton Border Cutwork Maxi Dress With Ladder Lace Trim

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£299.00
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Silk Cotton Scenic Print Balloon Sleeve Woven Maxi Dress
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KarenMillen

Silk Cotton Scenic Print Balloon Sleeve Woven Maxi Dress

  • Fabric: Woven
  • Neckline: V Neck
  • Style: Maxi Dress
£269.00
favourite
Spring Tweed Tailored Sleeveless Full Skirted Midi Dress
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KarenMillen

Spring Tweed Tailored Sleeveless Full Skirted Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£75.00 £249.00
favourite
Cotton Poplin Contrast Stitch Belted Mini Dress
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KarenMillen

Cotton Poplin Contrast Stitch Belted Mini Dress

  • Design: Plain
  • Fabric: Woven
  • Sleeve length: Strappy
£49.50 £99.00
ivory color red color
favourite
Soft Tailored Colourblock Shirt Dress
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KarenMillen

Soft Tailored Colourblock Shirt Dress

  • Length: Maxi
  • SleeveLength: Short Sleeve
  • Style: Shirt Dress
£105.00 £209.00
favourite
Plus Size Long Sleeve Jersey Maxi Dress
Plus
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KarenMillen

Plus Size Long Sleeve Jersey Maxi Dress

  • Length: Maxi
  • Neckline: High Neck
  • Style: Maxi Dress
£119.00
favourite
Polished Cowl Neck Tailored Pencil Midi Dress
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KarenMillen

Polished Cowl Neck Tailored Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£60.00 £199.00
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Soft Tailored Check Godet Detail Midi Dress
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KarenMillen

Soft Tailored Check Godet Detail Midi Dress

  • Detail: Checks
  • Fabric: Polycotton
  • Style: Midi Dress
£183.20 £229.00
favourite
Compact Stretch Stab Stitch Square Neck Tailored Pencil Maxi Dress
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KarenMillen

Compact Stretch Stab Stitch Square Neck Tailored Pencil Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£199.00
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Ponte And Textured Georgette Button Mix Cut Out Detail Pleated Maxi Dress
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KarenMillen

Ponte And Textured Georgette Button Mix Cut Out Detail Pleated Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£95.20 £119.00
navy color ivory color
favourite
Stripe Strappy Woven Midi Dress
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KarenMillen

Stripe Strappy Woven Midi Dress

  • Detail: Stripes
  • Fabric: Woven
  • Sleeve length: Strappy
£169.00
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Cotton Sateen V Neck Maxi Dress
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KarenMillen

Cotton Sateen V Neck Maxi Dress

  • Detail: Plain
  • Fabric: Woven
  • Style: Maxi Dress
£159.00
cobalt color coral color
favourite
Compact Stretch Full Skirted Tailored Midaxi Dress
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KarenMillen

Compact Stretch Full Skirted Tailored Midaxi Dress

  • Detail: Plain
  • Neckline: Square
  • Style: Midaxi Dress
£66.00 £219.00
favourite
Chain Print Mesh One Shoulder Midi Dress
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KarenMillen

Chain Print Mesh One Shoulder Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£30.00 £119.00
favourite
Chain Print Woven Balloon Sleeve Maxi Dress
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KarenMillen

Chain Print Woven Balloon Sleeve Maxi Dress

  • Design: All Over Print
  • Fabric: Woven
  • Style: Maxi Dress
£129.00
favourite
Sequin Halter Neck Hanky Hem Maxi Dress
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KarenMillen

Sequin Halter Neck Hanky Hem Maxi Dress

  • Length: Maxi
  • Neckline: Halterneck
  • Style: Maxi Dress
£169.00
favourite
Fringe Detail Beaded Mini Dress
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KarenMillen

Fringe Detail Beaded Mini Dress

  • Design: Plain
  • Fabric: Woven
  • Length: Mini
£259.00
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Floral & Geo Embroidered Woven Maxi Dress
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KarenMillen

Floral & Geo Embroidered Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£57.00 £189.00
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Crystal Embellished Halter Woven Maxi Dress
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KarenMillen

Crystal Embellished Halter Woven Maxi Dress

  • Design: Embellished
  • Length: Maxi
  • Style: Maxi Dress
£439.00
favourite
Tailored Stripe Linen Strappy Asymmetric Hem Midi Dress
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KarenMillen

Tailored Stripe Linen Strappy Asymmetric Hem Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£42.00 £169.00
neutral color black color
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Shirred V Neck Trim Detail Woven Midi Dress
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KarenMillen

Shirred V Neck Trim Detail Woven Midi Dress

  • Design: Plain
  • Fabric: Woven
  • Sleeve length: Sleeveless
£179.00
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Cotton Linen Printed 3D Floral Bubble Hem Midi Dress
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KarenMillen

Cotton Linen Printed 3D Floral Bubble Hem Midi Dress

  • Fabric: Woven
  • Length: Midi
  • Sleeve length: Strappy
£239.00
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Petite Textured Hanky Hem Short Sleeve Trim Detail Jersey Maxi Dress
Petite
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KarenMillen

Petite Textured Hanky Hem Short Sleeve Trim Detail Jersey Maxi Dress

  • Detail: Textured
  • Neckline: Round Neck
  • Sleeve length: Short Sleeve
£119.00
favourite
Plus Size Compact Stretch Cotton Mix Tailored Full Skirted Midi Dress
Plus
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KarenMillen

Plus Size Compact Stretch Cotton Mix Tailored Full Skirted Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£183.20 £229.00
Showing 40 of 353
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