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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.

John Charles Pearl Dress and Jacket Chrome

Regular price £749.00 £100.00
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Presen Jacquard Dress and Coat Taupe/Silver

Regular price £799.00 £100.00
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John Charles Floral Dress With Lace Mesh Detailed Top Navy/Cream

Regular price £780.00 £100.00
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John Charles Beaded Cross Banded Bust Dress And Jacket Taupe

Regular price £879.00 from £110.00
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Marc Cain A Line Sleeveless Cotton Floral Print Dress Pink/white

Regular price £275.00 £163.35
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Onjenu Esme Midi Dress Medsea Pink/blue/multi

Regular price £145.00 £99.99
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Aspiga Victoria V Neck Broderie Tiered Hem & Cuff Dress Hot Pink

Regular price £210.00 £184.00
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Luisa Cerano Bold Floral Print Gathered Waist Dress Flute Sleeves Pink Multi

Regular price £485.00 £240.08
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K Design Sleeveless Ruffle V Neck Leopard Print Dress Brown/ecru

Regular price £109.00 £84.15
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Kevan Jon Kyoto Bardot Ruched Waist Zip Back Fitted Dress Orange

Regular price £299.00 £209.30
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Kevan Jon Kiera Bardot 3/4 Sleeve Ruched Waist Pleat Hem Dress Peacock

Regular price £329.00 £164.50
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Kevan Jon Kacey Bardot Twist Front Fitted Scuba Dress Black

Regular price £299.00 £209.30
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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.