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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.

Chokolate Embroidered Detail Polka Dot Maxi Dress Black

Regular price £135.00 £67.50
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Y London Flower Print Wrap Viscose Midi Dress Black Cream

Regular price £89.00 £44.00
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Michael Kors Chain Neck Detail Maxi Jersey Dress Black

Regular price £195.00 £78.00
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John Charles Cap Sleeve Embroidered Dress With Jacket Gold

Regular price £749.00 £100.00
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Pomodoro Speckled Print Sleeveless Shift Dress Pink/white

Regular price £99.00 £48.00
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Bariloche Rociana Wrap V Neck Belted Dress Cobalt

Regular price £149.00 £95.00
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Bariloche Beas V Neck Belted Dress With Chiffon Balloon Sleeve Magenta

Regular price £149.00 £95.00
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Weekend By Maxmara Ondina Floral Dress With Stitch Sleeve Detail Cream Multi

Regular price £305.00 £250.00
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Y London Ruffle Frill Floral Print V Neck Dress Blue/green

Regular price £129.00 £64.00
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Riani V Neck Chiffon Dress With Ruched Sides Fuchsia

Regular price £469.00 £232.00
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Riani Leaf Print Tiered Hem Dress With Stitch Cuff Peach Dust

Regular price £319.00 £159.50
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Dea Kudibal Maria Tie Neck Gold Dots Dress With Silk Slip Black/gold

Regular price £269.00 £130.00
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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.