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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.

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Y London Ruffle Frill Floral Print V Neck Dress Blue/green

£129.00
Sale 18% off

Weekend By Maxmara Ondina Floral Dress With Stitch Sleeve Detail Cream Multi

£305.00 £250.00 18% off
Save £55.00
Sale 30% off

Silk95 Ananda Tie Waist Tiered Silk Short Wrap Dress Bright Green

£369.00 £258.00 30% off
Save £111.00
Sale 30% off

Silk95 Ananda Tie Waist Tiered Silk Short Wrap Dress Burnt Orange

£369.00 £258.00 30% off
Save £111.00
Sale 50% off

Silk95 Namibia V Neck Tiered Silk Dress Cobalt

£429.00 £214.00 50% off
Save £215.00
Only One Left

Kevan Jon Coxon Bardot Ruched Pleat Back Fitted Knee Dress Lilac

£299.00
Only One Left

Kevan Jon Krystal Ruched One Shoulder Fitted Dress Cornflower Blue

£315.00

Kevan Jon Petra Halter Neck Pleat Knee Asymmetric Hem Satin Dress Fuchsia

£329.00

Kevan Jon Annika Flute Sleeve Zip Back Fitted Dress Fuchsia

£299.00
Only One Left

Kevan Jon Sian Ruched Bardot Fishtail Fitted Drape Dress Cobalt

£310.00
Only One Left

Kevan Jon Sian Ruched Bardot Fishtail Fitted Drape Dress Navy

£310.00
Sale 50% off

Charlotte Sparre Frill Front Floral Short A Line Dress Lilac Multi

£245.00 £122.50 50% off
Save £122.50
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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.