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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.

Sale 27% off
Only One Left

Onjenu Crawford Abstract Print V Neck Midi Dress Pink/navy

Regular price £135.00 £99.00
Save £36.00
Unit price
per 
Sale 52% off
Only One Left

Bariloche Otos Mesh Dot Print Tiered Dress Black

Regular price £105.00 £50.00
Save £55.00
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per 
Sale 60% off
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Michael Kors Chain Neck Detail Maxi Jersey Dress Black

Regular price £195.00 £78.00
Save £117.00
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per 
Sale 52% off
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Dea Kudibal Maria Tie Neck Gold Dots Dress With Silk Slip Black/gold

Regular price £269.00 £130.00
Save £139.00
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per 
Sale 50% off

Scotch & Soda Cloud Print Gathered Waist Dress With Frill Sleeves Gold/Black

Regular price £135.00 £67.50
Save £67.50
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Sale 20% off
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Molly Jo Leopard Print Frill Hem Wrap Dress Green and Black

Regular price £245.00 £196.00
Save £49.00
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per 
Sale 75% off
Clearance

Forever Unique Roxanna Leopard Print Cold Shoulder Midi Dress Red

Regular price £200.00 £50.00
Save £150.00
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per 
Sale 65% off
Clearance
Only One Left

Dexterior Lace Removable Top Knitted Dress Grey/White

Regular price £554.00 £194.00
Save £360.00
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per 
Sale 65% off
Clearance
Only One Left

Dexterior V Neck Knitted Sleeveless Rose Embroided Side Dress Light Sand

Regular price £535.00 £187.25
Save £347.75
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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.