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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.

Riani Round Neck Knitted Dress With Waist Detail Navy/Cream

Regular price £175.00 £52.50
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Riani Double Layer Round Neck Dress Coral

Regular price £249.00 £74.70
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Riani Cut Out Lace Arm Dress Red

Regular price £259.00 £77.70
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John Charles Pearl Flower Detail Dress & Jacket Silver Grey

Regular price £747.00 £100.00
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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.