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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.

Kevan Jon Sian Ruched Bardot Fishtail Fitted Drape Dress Cobalt

Regular price £310.00 £217.00
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Kevan Jon Annika Flute Sleeve Zip Back Fitted Dress Fuchsia

Regular price £299.00 £209.30
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Kevan Jon Petra Halter Neck Pleat Knee Asymmetric Hem Satin Dress Fuchsia

Regular price £329.00 £280.00
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Kevan Jon Krystal Ruched One Shoulder Fitted Dress Cornflower Blue

Regular price £315.00 £160.00
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Kevan Jon Coxon Bardot Ruched Pleat Back Fitted Knee Dress Lilac

Regular price £299.00 £209.30
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Silk95 Namibia V Neck Tiered Silk Dress Cobalt

Regular price £429.00 £214.00
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Silk95 Ananda Tie Waist Tiered Silk Short Wrap Dress Burnt Orange

Regular price £369.00 £258.00
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Silk95 Ananda Tie Waist Tiered Silk Short Wrap Dress Bright Green

Regular price £369.00 £258.00
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Dames V Neck Pleat Hem Knitted Dress Dark Green

Regular price £75.00 £37.00
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Scotch & Soda Smock Stitch Midi Dress With Tie Neck Wine

Regular price £235.00 £117.50
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Onjenu Crawford Abstract Print V Neck Midi Dress Pink/navy

Regular price £135.00 £99.00
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Bariloche Otos Mesh Dot Print Tiered Dress Black

Regular price £105.00 £50.00
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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.