Wedding Guest Dresses

Discover the perfect wedding guest dresses at Sister Online. From floral, floaty styles for summer weddings to modern, flattering designs from Kevan Jon and timeless silhouettes from Alquema, find your ideal dress for any wedding celebration.

Only One Left
Sale 30% off
Only One Left

Hope And Ivy Caroline Floral Satin Dress with Tie Back and Blouson Sleeves Cream Multi

Regular price £95.00 £66.50 30% off
Save £28.50
Unit price
per 
Sale 30% off

Hope And Ivy Forest Floral Maxi Dress With Tie Back and Tiered Hem Green

Regular price £99.00 £69.30 30% off
Save £29.70
Unit price
per 
Sale 30% off

Charlotte Sparre Ava Blown Floral V Neck Empire Waist Silk Maxi Dress Dot Flower Blue

Regular price £454.00 £317.80 30% off
Save £136.20
Unit price
per 
Sale 25% off
Only One Left

Hale Bob Tie Waist Linen Dress With Elasticated Balloon Sleeve Natural/White

Regular price £679.00 £509.25 25% off
Save £169.75
Unit price
per 
Sale 25% off

Hale Bob Tie Waist Linen Dress With Elasticated Balloon Sleeve Pink/Coral

Regular price £679.00 £509.25 25% off
Save £169.75
Unit price
per 
Sale 40% off

Joseph Ribkoff Satin Guipure Fitted Trumpet Dress With Cap Sleeves Navy

Regular price £339.00 £203.40 40% off
Save £135.60
Unit price
per 
Sale 40% off

Joseph Ribkoff Sparkle Lurex Fitted Waist Dress With Cascade Rose 3647

Regular price £375.00 £225.00 40% off
Save £150.00
Unit price
per 

Our Purpose

At Sister, our purpose is simple: to make fashion personal. We believe shopping should feel inspiring, not overwhelming, and our boutique offers a place where you can build your whole wardrobe without needing to go anywhere else. Every piece we stock is chosen to bring joy, confidence, and practicality into our customers’ everyday lives.

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Exclusive Pieces

Every piece is selected for individuality and quality.

Trusted for Generations

35 years in business, customer returning for 30+ years.

Personal Touch

Styling advice, honest fit guidance & over the phone support.