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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
Strong Shoulder Twist Detail Scuba Crepe Jersey Dress
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KarenMillen

Strong Shoulder Twist Detail Scuba Crepe Jersey Dress

  • Detail: Plain
  • Fabric: Jersey
  • Style: Midi Dress
£139.00
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Ponte And Georgette Mix Balloon Sleeve Cut Out Detail Pleated Maxi Dress
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KarenMillen

Ponte And Georgette Mix Balloon Sleeve Cut Out Detail Pleated Maxi Dress

  • Fabric: Jersey
  • Length: Maxi
  • Sleeve length: Long Sleeve
£90.30 £129.00
black color khaki color
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Harper's Bazaar Viscose Blend Tie Neck Detail Jersey Maxi Dress
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KarenMillen

Harper's Bazaar Viscose Blend Tie Neck Detail Jersey Maxi Dress

  • Detail: Tie
  • Fabric: Polyester
  • Neckline: Halterneck
£129.00
favourite
Sequin Keyhole Fit Flare Midi Dress
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KarenMillen

Sequin Keyhole Fit Flare Midi Dress

  • Length: Midi
  • Neckline: Halterneck
  • Style: Midi Dress
£90.30 £129.00
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Forever Ponte And Georgette Jersey Pleated Maxi Dress
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KarenMillen

Forever Ponte And Georgette Jersey Pleated Maxi Dress

  • Design: Plain
  • Length: Maxi
  • Neckline: Crew
£139.00
navy color lemon color green color black color
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Scoop Neck Jersey Cotton Mix Maxi Dress
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KarenMillen

Scoop Neck Jersey Cotton Mix Maxi Dress

  • Fabric: Jersey
  • Length: Maxi
  • Style: Maxi Dress
£83.30 £119.00
ivory color lemon color red color
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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
£49.00 £139.00
black color chocolate color pale-blue color
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Premium Crystal Embellished Cross Back Maxi Dress
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KarenMillen

Premium Crystal Embellished Cross Back Maxi Dress

  • Fabric: Viscose
  • Neckline: Halterneck
  • Sleeve length: Sleeveless
£139.30 £199.00
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Jersey And Georgette Mix Belted Pleat Midi Dress
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KarenMillen

Jersey And Georgette Mix Belted Pleat Midi Dress

  • Detail: Belted
  • Neckline: Collared
  • Style: Midi Dress
£64.00 £129.00
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Stripe Cotton Rosette Woven Shirt Maxi Dress
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KarenMillen

Stripe Cotton Rosette Woven Shirt Maxi Dress

  • Fabric: Cotton
  • Neckline: Collared
  • Sleeve length: Long Sleeve
£56.00 £159.00
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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
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£104.30 £149.00
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Plus Size Twill Collared Woven Maxi Dress
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KarenMillen

Plus Size Twill Collared Woven Maxi Dress

  • Design: Plain
  • Fabric: Woven
  • Sleeve length: Long Sleeve
£69.00 £139.00
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Petite Forever Ponte And Georgette Jersey Pleated Maxi Dress
Petite
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KarenMillen

Petite Forever Ponte And Georgette Jersey Pleated Maxi Dress

  • Design: Plain
  • Detail: Pleated
  • Length: Maxi
£139.00
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Petite Drapey Crepe Maxi Dress With Gathered Cape Detail
Petite
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KarenMillen

Petite Drapey Crepe Maxi Dress With Gathered Cape Detail

  • Detail: Ruched
  • Fabric: Polyester
  • Sleeve length: Sleeveless
£75.00 £149.00
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Cotton Cutwork Woven Halter Midi Dress
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KarenMillen

Cotton Cutwork Woven Halter Midi Dress

  • Fabric: Woven
  • Neckline: Halterneck
  • Sleeve length: Sleeveless
£108.00 £269.00
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Denim Soft Wash Short Sleeve Belted Midi Dress
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KarenMillen

Denim Soft Wash Short Sleeve Belted Midi Dress

  • Neckline: Round Neck
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
£49.00 £139.00
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Marbled Print Mesh Ruched Maxi Dress
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KarenMillen

Marbled Print Mesh Ruched Maxi Dress

  • Detail: Ruched
  • Fabric: Polyester
  • Sleeve length: Long Sleeve
£40.00 £99.00
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Cotton Halter Neck Woven Midi Dress With Dropped Waist Detail
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KarenMillen

Cotton Halter Neck Woven Midi Dress With Dropped Waist Detail

  • Design: Plain
  • Fabric: Cotton
  • Sleeve length: Strappy
£60.00 £119.00
mango color cobalt color
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Premium Crystal Embellished Halter Neck Maxi Dress
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KarenMillen

Premium Crystal Embellished Halter Neck Maxi Dress

  • Detail: Embellished
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£259.00
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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

  • Detail: All Over Print
  • Length: Maxi
  • Neckline: High Neck
£105.00 £299.00
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
£42.00 £119.00
sage color ivory color red color
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Plus Size Sequin Belted Full Midi Dress
Plus
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KarenMillen

Plus Size Sequin Belted Full Midi Dress

  • Detail: Sequin
  • Length: Midi
  • Neckline: Square
£139.30 £199.00
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Baroque Embroidered Long Sleeve Twill Woven Midi Dress
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KarenMillen

Baroque Embroidered Long Sleeve Twill Woven Midi Dress

  • Design: Embroidered
  • Detail: Embroidered
  • Length: Midi
£84.00 £239.00
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Viscose Linen Woven Pintuck Midi Dress
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KarenMillen

Viscose Linen Woven Pintuck Midi Dress

  • Detail: Plain
  • Length: Midi
  • Sleeve length: Sleeveless
£49.00 £139.00
lemon color white color
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Colour Block Fluid Tencel Woven Maxi Shirt Dress
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KarenMillen

Colour Block Fluid Tencel Woven Maxi Shirt Dress

  • Detail: Colour Block
  • Neckline: Collared
  • Sleeve length: Long Sleeve
£56.00 £159.00
red color mono color
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Viscose Crepe Abstract Halter Neck Midi Dress
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KarenMillen

Viscose Crepe Abstract Halter Neck Midi Dress

  • Detail: Plain
  • Length: Midi
  • Neckline: Halterneck
£42.00 £119.00
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Plus Size Viscose Georgette Drop Hem Animal Print Woven Halterneck Maxi Dress
Plus
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KarenMillen

Plus Size Viscose Georgette Drop Hem Animal Print Woven Halterneck Maxi Dress

  • Design: Animal
  • Detail: All Over Print
  • Length: Maxi
£99.00 £199.00
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Abstract Print Cotton Kimono Sleeve Woven Maxi Dress
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KarenMillen

Abstract Print Cotton Kimono Sleeve Woven Maxi Dress

  • Design: All Over Print
  • Sleeve length: 3/4 Sleeve
  • Style: Maxi Dress
£34.00 £139.00
favourite
Petite Ponte And Georgette Mix Balloon Sleeve Cut Out Detail Pleated Maxi Dress
Petite
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KarenMillen

Petite Ponte And Georgette Mix Balloon Sleeve Cut Out Detail Pleated Maxi Dress

  • Design: Plain
  • Detail: Pleated
  • Fabric: Jersey
£64.00 £129.00
khaki color navy color
favourite
Cotton Voile Maxi Beach Dress
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KarenMillen

Cotton Voile Maxi Beach Dress

  • Design: All Over Print
  • Neckline: Plunge
  • Style: Beach Dress
£40.00 £99.00
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Petal Print Organza Maxi Shirt Dress
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KarenMillen

Petal Print Organza Maxi Shirt Dress

  • Fabric: Woven
  • Length: Maxi
  • Sleeve length: Long Sleeve
£111.30 £159.00
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Cotton Top Stitch Woven Midaxi Shirt dress
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KarenMillen

Cotton Top Stitch Woven Midaxi Shirt dress

  • Detail: Collar
  • Neckline: Collared
  • Style: Midaxi Dress
£39.00 £129.00
favourite
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
£47.00 £189.00
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Embroidered Detail Halterneck Dress
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KarenMillen

Embroidered Detail Halterneck Dress

  • Detail: Embroidered
  • Length: Midi
  • Neckline: Halterneck
£77.00 £219.00
navy color ivory color
favourite
Floral Studded Maxi Dress
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KarenMillen

Floral Studded Maxi Dress

  • Design: All Over Print
  • Length: Maxi
  • Sleeve length: Long Sleeve
£139.30 £199.00
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Premium Viscose Linen Woven Shirt Dress With Gold Buckle Belt
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KarenMillen

Premium Viscose Linen Woven Shirt Dress With Gold Buckle Belt

  • Design: Plain
  • Detail: Plain
  • Style: Maxi Dress
£42.00 £169.00
favourite
Silk Cotton Floral Puff Sleeve Midi Dress
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KarenMillen

Silk Cotton Floral Puff Sleeve Midi Dress

  • Design: All Over Print
  • Length: Midi
  • Neckline: V Neck
£88.00 £219.00
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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
£45.00 £129.00
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Fruit Print Tape Detail Short Sleeve Woven Maxi Dress
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KarenMillen

Fruit Print Tape Detail Short Sleeve Woven Maxi Dress

  • Detail: Plain
  • Fabric: Woven
  • Style: Maxi Dress
£52.00 £129.00
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Botanical Print Woven Balloon Sleeve Maxi Dress
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KarenMillen

Botanical Print Woven Balloon Sleeve Maxi Dress

  • Design: Floral
  • Length: Maxi
  • Neckline: Round Neck
£70.00 £199.00
Showing 40 of 271
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