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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.

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Sale 71% off
Clearance

Body Frock Embroidered Cut-Out Circle Dress Cream/Beige

£259.00 £75.00 71% off
Save £184.00
Sale 70% off
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Body Frock Lace Belted Dress With Short Sleeves Orange

£199.00 £59.00 70% off
Save £140.00
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Vilagallo V Neck Sleeveless Dress With Waist Pleat Detail Coral

£125.00
Sale 70% off
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Tahari Sleeveless Dress With Buckle Detail Blue

£139.00 £42.00 70% off
Save £97.00
Sale 50% off
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Bernshaw Emilia Short Lace Dress Red

£279.00 £139.50 50% off
Save £139.50
Sale 65% off
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Marc Cain Pleat Dress Red

£315.00 £110.00 65% off
Save £205.00
Sale 70% off
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Luisa Cerano Split Sleeve Empire Seamed Dress Purple

£329.00 £98.70 70% off
Save £230.30
Sale 72% off
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Marc Cain Round Neck Lace Overlay Dress Red

£355.00 £99.00 72% off
Save £256.00
Sale 70% off
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Diva Nadia Citrus Print 3/4 Fitted Dress Black Multi

£149.00 £44.00 70% off
Save £105.00
Sale 70% off
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Diva Nadia Floral Splash Print 3/4 Fitted Dress Black Multi

£149.00 £44.00 70% off
Save £105.00
Sale 67% off
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Fee G Sleeveless Lace Dress With Collar White

£272.00 £89.00 67% off
Save £183.00
Sale 70% off
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Riani Round Neck Knitted Dress With Waist Detail Navy/Cream

£175.00 £52.50 70% off
Save £122.50
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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.