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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
Viscose Georgette Mono Stripe Beach Dress
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KarenMillen

Viscose Georgette Mono Stripe Beach Dress

  • Detail: Stripes
  • Fabric: Woven
  • Style: beachdress
£61.88 £119.00
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Beach Viscose Georgette Photographic Floral Beach Slip Dress
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KarenMillen

Beach Viscose Georgette Photographic Floral Beach Slip Dress

  • Detail: Plain
  • Sleeve length: Sleeveless
  • Style: Slip Dress
£129.00
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Beach Viscose Georgette Photographic Floral Beach Slip Dress
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KarenMillen

Beach Viscose Georgette Photographic Floral Beach Slip Dress

  • Design: Print
  • Fabric: Viscose
  • Neckline: Plunge
£129.00
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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Plus Size Botanical Print Woven Balloon Sleeve Maxi Dress
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KarenMillen

Plus Size Botanical Print Woven Balloon Sleeve Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£103.48 £199.00
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Viscose Crepe Floral Long Sleeve Midi Dress
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KarenMillen

Viscose Crepe Floral Long Sleeve Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£72.28 £139.00
favourite
Ponte Button Front Pleated Mini Dress
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KarenMillen

Ponte Button Front Pleated Mini Dress

  • Length: Mini
  • Sleeve length: Strappy
  • Style: Midi Dress
£48.00 £119.00
black color cream color
favourite
Scuba Scoop Neck Long Sleeve Mini Dress
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KarenMillen

Scuba Scoop Neck Long Sleeve Mini Dress

  • Length: Mini
  • Occasion: Daywear
  • SleeveLength: Long Sleeve
£42.00 £139.00
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Plus Size Cotton Broderie Belted Shirt Dress
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KarenMillen

Plus Size Cotton Broderie Belted Shirt Dress

  • Design: Plain
  • Fabric: Woven
  • Length: Midi
£149.00
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Woven Knit Mix Pleated Midi Dress
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KarenMillen

Woven Knit Mix Pleated Midi Dress

  • Design: Plain
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£67.08 £129.00
cobalt color khaki color
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Plus Size Stripe Cotton Rosette Woven Shirt Maxi Dress
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KarenMillen

Plus Size Stripe Cotton Rosette Woven Shirt Maxi Dress

  • Occasion: Daywear
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£77.48 £149.00
favourite
Compact Stretch Cotton Mix Tailored Full Skirted Midi Dress
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KarenMillen

Compact Stretch Cotton Mix Tailored Full Skirted Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£119.08 £229.00
favourite
Viscose Crepe Abstract Halter Neck Midi Dress
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KarenMillen

Viscose Crepe Abstract Halter Neck Midi Dress

  • Length: Midi
  • Style: Midi Dress
£61.88 £119.00
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Silk Cotton Trailing Floral Puff Sleeve Midi Dress
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KarenMillen

Silk Cotton Trailing Floral Puff Sleeve Midi Dress

  • Detail: Floral
  • Neckline: V Neck
  • Style: Midi Dress
£113.88 £219.00
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Tailored Denim Belted Mini Dress
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KarenMillen

Tailored Denim Belted Mini Dress

  • Length: Mini
  • Sleeve length: Short Sleeve
  • Style: Mini Dress
£88.00 £219.00
favourite
Figure Form Bandage Button Through Pencil Midi Dress
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KarenMillen

Figure Form Bandage Button Through Pencil Midi Dress

  • Length: Midi
  • SleeveLength: Sleeveless
  • Style: Midi Dress
£55.00 £139.00
stone color navy color
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Polished Tailored Button Detail Pleated Midi Dress
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KarenMillen

Polished Tailored Button Detail Pleated Midi Dress

  • Length: Midi
  • Neckline: Collared
  • Sleeve length: Sleeveless
£97.00 £279.00
black color stone color
favourite
Soft Tailored Asymmetric Neck Draped Waist Detail Midi Dress
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KarenMillen

Soft Tailored Asymmetric Neck Draped Waist Detail Midi Dress

  • Design: Colour Block
  • Length: Midi
  • Neckline: Asymmetric
£50.00 £199.00
mono color chartreuse color
favourite
Beach Viscose Georgette Photographic Floral Beach Slip Dress
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KarenMillen

Beach Viscose Georgette Photographic Floral Beach Slip Dress

  • Occasion: Daywear
  • Style: Beach Dress
£67.08 £129.00
favourite
Lace Halter Woven Midi Dress
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KarenMillen

Lace Halter Woven Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£98.28 £189.00
favourite
Viscose Linen Tie Strap Woven Prom Dress
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KarenMillen

Viscose Linen Tie Strap Woven Prom Dress

  • Fabric: Woven
  • Length: Maxi
  • Neckline: Strappy
£199.00
red color hot-pink color
favourite
Pleated Detail Cotton Long Sleeve Woven Midi Dress
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KarenMillen

Pleated Detail Cotton Long Sleeve Woven Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£101.00 £169.00
olive color burgundy color white color black color
favourite
Viscose Woven Printed Cowl Neck Midi Dress
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KarenMillen

Viscose Woven Printed Cowl Neck Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£56.68 £109.00
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
£99.00
ivory color red color
favourite
Viscose Crepe Chain Print Long Sleeve Midi Dress
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KarenMillen

Viscose Crepe Chain Print Long Sleeve Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£72.28 £139.00
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Geo Print Satin Wrap Neck Woven Maxi Dress
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KarenMillen

Geo Print Satin Wrap Neck Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£51.48 £99.00
favourite
Cotton Poplin Pleat Detail Woven Midi Dress
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KarenMillen

Cotton Poplin Pleat Detail Woven Midi Dress

  • Design: Plain
  • Fabric: Woven
  • Neckline: V Neck
£149.00
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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

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£155.48 £299.00
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Poplin Belted Midi Dress
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KarenMillen

Poplin Belted Midi Dress

  • Detail: Plain
  • Neckline: Round Neck
  • Style: Midi Dress
£229.00
black color ivory color
favourite
Placed Chain Cotton Sateen Shirt Dress
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KarenMillen

Placed Chain Cotton Sateen Shirt Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£77.48 £149.00
favourite
Tailored Button Though Strappy Full Midi Dress
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KarenMillen

Tailored Button Though Strappy Full Midi Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Midi Dress
£103.48 £199.00
favourite
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
£61.88 £119.00
navy color ivory color
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Brush Stroke Print Twill Angel Sleeve Woven Maxi Dress
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KarenMillen

Brush Stroke Print Twill Angel Sleeve Woven Maxi Dress

  • Design: Plain
  • Fabric: Woven
  • Style: Maxi Dress
£61.88 £119.00
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Abstract Print Viscose Linen Woven Ruffle Sleeve Midi Dress
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KarenMillen

Abstract Print Viscose Linen Woven Ruffle Sleeve Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£77.48 £149.00
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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Tailored Crepe Colour Block Belted Pleated Midi Dress
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KarenMillen

Tailored Crepe Colour Block Belted Pleated Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£119.08 £229.00
favourite
Compact Stretch Pu Mix Sleeveless Full Skirted Tailored Midi Dress
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KarenMillen

Compact Stretch Pu Mix Sleeveless Full Skirted Tailored Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£62.00 £249.00
black color ivory color
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Twill Contrast Collar Woven Halter Neck Midi Dress
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KarenMillen

Twill Contrast Collar Woven Halter Neck Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£61.88 £119.00
favourite
Polka Dot Crinkle Cold Shoulder Georgette Woven Maxi Dress
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KarenMillen

Polka Dot Crinkle Cold Shoulder Georgette Woven Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Style: maxidress
£179.00
favourite
Spot Jacquard Tailored Bow Neck Full Skirted Midi Dress
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KarenMillen

Spot Jacquard Tailored Bow Neck Full Skirted Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£124.28 £239.00
Showing 40 of 525
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