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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Diva Appleford Bubble Sleeve Fitted Dress Cobalt Blue

Regular price £149.00 £74.50 50% off
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Sale 63% off

Herzens Angelegenheit Frill Hem Chiffon Block Print Dress Multi

Regular price £265.00 £99.00 63% off
Save £166.00
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Irresistible Pleat Dress And Jacket Orange

Regular price £199.00 £79.00 60% off
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Sale 72% off
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Body Frock Lace Dress With Short Sleeves Coral

Regular price £195.00 £55.00 72% off
Save £140.00
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Hugo Boss Black Daggy Fitted Square Neck Dress Fuchsia

Regular price £330.00 £149.00 55% off
Save £181.00
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Sale 30% off
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Pomodoro Watercolour Floral Tiered Maxi Dress Pink

Regular price £155.00 £109.00 30% off
Save £46.00
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Sahara Cowl Neck Pleat Front Textured Cocoon Dress Light Sage

Regular price £209.00 £104.50 50% off
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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.