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
514 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
Sort:   Relevance
Open or Close section
  • Price: Low-high
  • Price: High-Low
  • Sort: Relevance
  • Sort: Best Sellers
  • Sort: Newness
favourite
Plus Size Botanical Print Woven Balloon Sleeve Maxi Dress
Plus
View
KarenMillen

Plus Size Botanical Print Woven Balloon Sleeve Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£119.40 £199.00
favourite
Viscose Georgette Mono Stripe Beach Dress
View
KarenMillen

Viscose Georgette Mono Stripe Beach Dress

Viscose Georgette Mono Stripe Beach Dress
£119.00
favourite
Viscose Crepe Floral Long Sleeve Midi Dress
View
KarenMillen

Viscose Crepe Floral Long Sleeve Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£83.40 £139.00
favourite
Ponte Button Front Pleated Mini Dress
View
KarenMillen

Ponte Button Front Pleated Mini Dress

  • Length: Mini
  • Sleeve length: Strappy
  • Style: Midi Dress
£48.00 £119.00
black color cream color
favourite
Ponte And Textured Georgette Button Mix Cut Out Detail Pleated Maxi Dress
View
KarenMillen

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

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£71.40 £119.00
navy color ivory color
favourite
Compact Stretch Bow Detail Pencil Dress
View
KarenMillen

Compact Stretch Bow Detail Pencil Dress

  • Length: Midi
  • Style: Midi Dress
£137.40 £229.00
favourite
Scuba Scoop Neck Long Sleeve Mini Dress
View
KarenMillen

Scuba Scoop Neck Long Sleeve Mini Dress

  • Length: Mini
  • Occasion: Daywear
  • SleeveLength: Long Sleeve
£42.00 £139.00
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
£48.00 £139.00
stone color navy color
favourite
Plus Size Stripe Cotton Rosette Woven Shirt Maxi Dress
Plus
View
KarenMillen

Plus Size Stripe Cotton Rosette Woven Shirt Maxi Dress

  • Occasion: Daywear
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£149.00
favourite
Pleated Detail Cotton Long Sleeve Woven Midi Dress
View
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 Crepe Abstract Halter Neck Midi Dress
View
KarenMillen

Viscose Crepe Abstract Halter Neck Midi Dress

  • Length: Midi
  • Style: Midi Dress
£71.40 £119.00
favourite
Ponte Trim Belt Detail Midi Pencil Dress
View
KarenMillen

Ponte Trim Belt Detail Midi Pencil Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Midi Dress
£48.00 £119.00
black color olive color
favourite
Cotton Poplin Button Up Midi Dress
View
KarenMillen

Cotton Poplin Button Up Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£95.40 £159.00
pale-blue color black color
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
£119.40 £199.00
favourite
Compact Stretch Cotton Mix Tailored Full Skirted Midi Dress
View
KarenMillen

Compact Stretch Cotton Mix Tailored Full Skirted Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£137.40 £229.00
favourite
Beach Viscose Georgette Photographic Floral Beach Slip Dress
View
KarenMillen

Beach Viscose Georgette Photographic Floral Beach Slip Dress

  • Occasion: Daywear
  • Style: Beach Dress
£77.40 £129.00
favourite
Tailored Denim Belted Mini Dress
View
KarenMillen

Tailored Denim Belted Mini Dress

  • Length: Mini
  • Sleeve length: Short Sleeve
  • Style: Mini Dress
£88.00 £219.00
favourite
Plunge Ruched Twist Jersey Maxi Dress
View
KarenMillen

Plunge Ruched Twist Jersey Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£57.00 £189.00
favourite
Polished Cowl Neck Tailored Pencil Midi Dress
View
KarenMillen

Polished Cowl Neck Tailored Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£60.00 £199.00
favourite
Viscose Crepe Chain Print Long Sleeve Midi Dress
View
KarenMillen

Viscose Crepe Chain Print Long Sleeve Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£83.40 £139.00
favourite
Floral & Geo Embroidered Woven Maxi Dress
View
KarenMillen

Floral & Geo Embroidered Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£57.00 £189.00
favourite
Viscose Woven Printed Cowl Neck Midi Dress
View
KarenMillen

Viscose Woven Printed Cowl Neck Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£109.00
favourite
Spot Jacquard Tailored Bow Neck Full Skirted Midi Dress
View
KarenMillen

Spot Jacquard Tailored Bow Neck Full Skirted Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£239.00
favourite
Lace Halter Woven Midi Dress
View
KarenMillen

Lace Halter Woven Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£189.00
favourite
Viscose Linen Woven Halter Neck Midi Dress
View
KarenMillen

Viscose Linen Woven Halter Neck Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£129.00
favourite
Twill Contrast Collar Woven Halter Neck Midi Dress
View
KarenMillen

Twill Contrast Collar Woven Halter Neck Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£119.00
favourite
Cotton Border Cutwork Maxi Dress With Ladder Lace Trim
View
KarenMillen

Cotton Border Cutwork Maxi Dress With Ladder Lace Trim

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£179.40 £299.00
favourite
Abstract Print Viscose Linen Woven Ruffle Sleeve Midi Dress
View
KarenMillen

Abstract Print Viscose Linen Woven Ruffle Sleeve Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£149.00
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
£42.00 £169.00
black color neutral color
favourite
Premium Viscose Linen Topstitch Halter Neck Woven Dress With D Ring Detail
View
KarenMillen

Premium Viscose Linen Topstitch Halter Neck Woven Dress With D Ring Detail

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Dress
£89.40 £149.00
favourite
Petite Lightweight Stitch Detail Dress
Petite
View
KarenMillen

Petite Lightweight Stitch Detail Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Knitted Dress
£53.40 £89.00
favourite
Compact Stretch Sweetheart Neckline Midi Dress
View
KarenMillen

Compact Stretch Sweetheart Neckline Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£239.00
ivory color black color
favourite
Textured Compact Stretch High Neck Belted Mini Dress
View
KarenMillen

Textured Compact Stretch High Neck Belted Mini Dress

  • Length: Mini
  • Sleeve length: Short Sleeve
  • Style: Mini Dress
£131.40 £219.00
black color ivory color
favourite
Tailored Button Though Strappy Full Midi Dress
View
KarenMillen

Tailored Button Though Strappy Full Midi Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Midi Dress
£199.00
favourite
Jersey Cotton Poplin Midi Collar Dress
View
KarenMillen

Jersey Cotton Poplin Midi Collar Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£59.40 £99.00
favourite
Compact Stretch Stab Stitch Square Neck Tailored Pencil Maxi Dress
View
KarenMillen

Compact Stretch Stab Stitch Square Neck Tailored Pencil Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£119.40 £199.00
favourite
Premium Viscose Linen Belted Woven Midaxi Dress With Gold Hardware Detail
View
KarenMillen

Premium Viscose Linen Belted Woven Midaxi Dress With Gold Hardware Detail

  • Length: Midaxi
  • Sleeve length: Sleeveless
  • Style: Midaxi Dress
£159.00
hot-pink color navy color
favourite
Compact Stretch Tailored Pencil Midi Dress
View
KarenMillen

Compact Stretch Tailored Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£199.00
ivory color black color
favourite
Graphic Floral Print Cotton Sateen Woven Halter Dress
View
KarenMillen

Graphic Floral Print Cotton Sateen Woven Halter Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£89.40 £149.00
favourite
Abstract Print Viscose Linen Woven Halter Neck Maxi Dress
View
KarenMillen

Abstract Print Viscose Linen Woven Halter Neck Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£169.00
Showing 40 of 514
Back to main content