Skip to main content
Close Search
Clear Search Input
search button Go to account Go to wishlist Go to cart

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.

Read More
496 products

Filters

Size Open or Close section Open or Close section
Colour Open or Close section Open or Close section
Price Open or Close section Open or Close section
Gender Open or Close section Open or Close section
Occasion Open or Close section Open or Close section
Shop by Fit Open or Close section Open or Close section
Style Open or Close section Open or Close section
Search for style
  • No results found
Length Open or Close section Open or Close section
Sleeve length Open or Close section Open or Close section
Design Open or Close section Open or Close section
Detail Open or Close section Open or Close section
Fabric Open or Close section Open or Close section
Neckline Open or Close section Open or Close section
Sort:   Relevance
Open or Close section
  • Price: Low-high
  • Price: High-Low
  • Sort: Relevance
  • Sort: Best Sellers
  • Sort: Newness
favourite
Figure Form Bandage Button Through Pencil Midi Dress
View
KarenMillen

Figure Form Bandage Button Through Pencil Midi Dress

  • Length: Midi
  • SleeveLength: Sleeveless
  • Style: Midi Dress
£111.20 £139.00
stone color navy color
favourite
Off The Shoulder Brushed Textured Jersey Midi Dress
View
KarenMillen

Off The Shoulder Brushed Textured Jersey Midi Dress

  • Occasion: Daywear
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
£79.20 £99.00
raspberry color khaki color
favourite
Abstract Zebra Print Ruched Detail Collared Mini Crepe Shirt Dress
View
KarenMillen

Abstract Zebra Print Ruched Detail Collared Mini Crepe Shirt Dress

  • Length: Mini
  • Occasion: Daywear
  • SleeveLength: Long Sleeve
£28.00 £79.00
favourite
Tailored Denim Belted Mini Dress
View
KarenMillen

Tailored Denim Belted Mini Dress

  • Length: Mini
  • Sleeve length: Short Sleeve
  • Style: Mini Dress
£175.20 £219.00
favourite
Tailored Denim Belted Midi Dress
View
KarenMillen

Tailored Denim Belted Midi Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
£183.20 £229.00
favourite
Tailored Stripe Linen Strappy Asymmetric Hem Midi Dress
View
KarenMillen

Tailored Stripe Linen Strappy Asymmetric Hem Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£51.00 £169.00
black color neutral color
favourite
Stripe Cotton Rosette Woven Shirt Maxi Dress
View
KarenMillen

Stripe Cotton Rosette Woven Shirt Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£119.20 £149.00
favourite
Floral Printed Mesh Ruched One Shoulder Maxi Dress
View
KarenMillen

Floral Printed Mesh Ruched One Shoulder Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£24.00 £69.00
favourite
Viscose Blend Rib Knit Power Shoulder Military Trim Maxi Dress
View
KarenMillen

Viscose Blend Rib Knit Power Shoulder Military Trim Maxi Dress

  • Length: Maxi
  • Sleeve length: 3/4 Sleeve
  • Style: Knitted Dress
£79.20 £99.00
pale-blue color black color
favourite
Floral Print Keyhole Tie Detail Crepe Long Sleeve Mini Dress
View
KarenMillen

Floral Print Keyhole Tie Detail Crepe Long Sleeve Mini Dress

  • Length: Mini
  • Occasion: Daywear
  • SleeveLength: Long Sleeve
£24.00 £69.00
favourite
Petite Off The Shoulder Brushed Textured Jersey Midi Dress
Petite
View
KarenMillen

Petite Off The Shoulder Brushed Textured Jersey Midi Dress

  • Length: Midi
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
£79.20 £99.00
favourite
Tailored Denim Sleeveless Full Skirted Midi Dress
View
KarenMillen

Tailored Denim Sleeveless Full Skirted Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£183.20 £229.00
favourite
Tailored Denim Full Skirted Midi Shirt Dress
View
KarenMillen

Tailored Denim Full Skirted Midi Shirt Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
£159.20 £199.00
favourite
Floral Print Bow Detail Ruched Long Sleeve Crepe Maxi Dress
View
KarenMillen

Floral Print Bow Detail Ruched Long Sleeve Crepe Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£35.00 £99.00
favourite
Tall Abstract Zebra Print Ruched Detail Collared Mini Crepe Shirt Dress
Tall
View
KarenMillen

Tall Abstract Zebra Print Ruched Detail Collared Mini Crepe Shirt Dress

  • Occasion: Daywear
  • SleeveLength: Long Sleeve
  • Style: Mini Dress
£63.20 £79.00
favourite
Figure Form Bandage Belted Midi Dress
View
KarenMillen

Figure Form Bandage Belted Midi Dress

  • Length: Midi
  • SleeveLength: Short Sleeve
  • Style: Midi Dress
£111.20 £139.00
black color stone color
favourite
Ruched Detail Brushed Textured Jersey Midi Dress
View
KarenMillen

Ruched Detail Brushed Textured Jersey Midi Dress

  • Length: Midi
  • Occasion: Daywear
  • Style: Midi Dress
£42.00 £119.00
black color khaki color
favourite
Floral Crochet Woven Beach Maxi Dress
View
KarenMillen

Floral Crochet Woven Beach Maxi Dress

  • Occasion: Daywear
  • Style: Beachwear
£111.20 £139.00
favourite
Paisley Print Crepe Hanky Hem Midi Dress
View
KarenMillen

Paisley Print Crepe Hanky Hem Midi Dress

  • Length: Midi
  • Occasion: Daywear
  • SleeveLength: Sleeveless
£31.00 £89.00
favourite
Textured Ruched Jersey Midi Dress
View
KarenMillen

Textured Ruched Jersey Midi Dress

  • Length: Midi
  • SleeveLength: Sleeveless
  • Style: Midi Dress
£36.00 £90.00
favourite
Plus Size Techno Cotton Woven Maxi Dress With Contrast Placket
Plus
View
KarenMillen

Plus Size Techno Cotton Woven Maxi Dress With Contrast Placket

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£111.20 £139.00
favourite
Scuba Zip Detail Pleated Short Sleeve Mini Dress
View
KarenMillen

Scuba Zip Detail Pleated Short Sleeve Mini Dress

  • Length: Mini
  • Occasion: Daywear
  • Style: Mini Dress
£119.20 £149.00
favourite
Floral Print Crepe Tie Neck Long Sleeve Mini Dress
View
KarenMillen

Floral Print Crepe Tie Neck Long Sleeve Mini Dress

  • Length: Mini
  • Occasion: Daywear
  • Style: Mini Dress
£30.00 £85.00
favourite
Tailored Marl Contrast Tipped Full Skirted Maxi Dress
View
KarenMillen

Tailored Marl Contrast Tipped Full Skirted Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£78.00 £259.00
favourite
Chain Print Crepe Mini Dress
View
KarenMillen

Chain Print Crepe Mini Dress

  • Length: Mini
  • SleeveLength: Long Sleeve
  • Style: Mini Dress
£55.20 £69.00
favourite
Abstract Zebra Print Ruched Detail High Neck Long Sleeve Crepe Midi Dress
View
KarenMillen

Abstract Zebra Print Ruched Detail High Neck Long Sleeve Crepe Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£30.00 £75.00
favourite
Tailored Denim Sleeveless Full Skirted Midi Dress
View
KarenMillen

Tailored Denim Sleeveless Full Skirted Midi Dress

  • Length: Midi
  • Occasion: Daywear
  • SleeveLength: Sleeveless
£69.00 £229.00
ivory color indigo color
favourite
Techno Cotton With Gold Hardware Detail Collared Woven Mini Dress
View
KarenMillen

Techno Cotton With Gold Hardware Detail Collared Woven Mini Dress

  • Length: Mini
  • Sleeve length: Long Sleeve
  • Style: Dress
£103.20 £129.00
favourite
Textured Tweed Tailored Pocket Front Short Sleeve Midi Dress
View
KarenMillen

Textured Tweed Tailored Pocket Front Short Sleeve Midi Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
£207.20 £259.00
favourite
Ponte Zip Trim Detail Pleated Long Sleeve Mini Dress
View
KarenMillen

Ponte Zip Trim Detail Pleated Long Sleeve Mini Dress

  • Occasion: Daywear
  • SleeveLength: Long Sleeve
  • Style: Mini Dress
£45.00 £129.00
favourite
Mirrored Tropical Viscose Georgette Bardot Beach Maxi Dress
View
KarenMillen

Mirrored Tropical Viscose Georgette Bardot Beach Maxi Dress

  • Occasion: Beachwear
  • Style: Beach Dress
£39.00 £129.00
favourite
Premium Tailored Linen Belted Strappy Full Midi Dress
View
KarenMillen

Premium Tailored Linen Belted Strappy Full Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Full Skirted Dress
£60.00 £199.00
favourite
Ponte Envelope Neck Dress With Zip Split Detail
View
KarenMillen

Ponte Envelope Neck Dress With Zip Split Detail

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£48.00 £119.00
favourite
Chain Print Mesh One Shoulder Midi Dress
View
KarenMillen

Chain Print Mesh One Shoulder Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£42.00 £119.00
favourite
Baroque Embroidered Long Sleeve Twill Woven Midi Dress
View
KarenMillen

Baroque Embroidered Long Sleeve Twill Woven Midi Dress

  • Length: Midi
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
£84.00 £239.00
favourite
Floral Print Organdie Woven Shirt Dress
View
KarenMillen

Floral Print Organdie Woven Shirt Dress

  • Occasion: Daywear
  • SleeveLength: Short Sleeve
  • Style: Maxi Dress
£103.20 £129.00
favourite
Chain Print Crepe Hanky Hem Midi Dress
View
KarenMillen

Chain Print Crepe Hanky Hem Midi Dress

  • Length: Midi
  • Occasion: Daywear
  • SleeveLength: Sleeveless
£45.00 £89.00
favourite
Viscose Linen Woven Shirt Midi Dress
View
KarenMillen

Viscose Linen Woven Shirt Midi Dress

  • Length: Midi
  • Occasion: Daywear
  • SleeveLength: Long Sleeve
£48.00 £159.00
favourite
Petite Tailored Denim Belted Mini Dress
Petite
View
KarenMillen

Petite Tailored Denim Belted Mini Dress

  • Length: Mini
  • Sleeve length: Short Sleeve
  • Style: Mini Dress
£175.20 £219.00
favourite
Mono Fluid Stripe Cotton Mix Woven Maxi Dress
View
KarenMillen

Mono Fluid Stripe Cotton Mix Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£143.20 £179.00
Showing 40 of 496
Back to main content