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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 30% off
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Dea Kudibal Julietta Floral Tie Neck Tiered Ruffle Maxi Dress Blossom

£499.00 £349.30 30% off
Save £149.70
Sale 50% off

Charlotte Sparre Ava Geometric Circle V Neck Empire Line Silk Maxi Myriam Red

£499.00 £249.50 50% off
Save £249.50
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Alquema Long Estrella Crinkle Pleat Sleeveless Dress Cabaret Pink

£239.00
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Alquema Long Estrella Crinkle Pleat Sleeveless Dress Blue Sky Ombre

£239.00
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Alquema Long Estrella Crinkle Pleat Sleeveless Dress Atlantis Blue

£239.00
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Silk95 Mar-A-Lago Sleeveless A Line Silk Maxi Dress Scarlet

£395.00
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Hale Bob Paisley Button Front Dress With Elastic Waist Blue

£399.00
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Hale Bob Paisley Print Empire Seam Maxi Dress With Flute Sleeves Pink/coral

£549.00
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Alquema Long Estrella Crinkle Pleat Sleeveless Dress Black Leopard

£239.00
Sale 31% off
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Onjenu Esme Midi Dress Medsea Pink/blue/multi

£145.00 £99.99 31% off
Save £45.01
Sale 12% off
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Aspiga Victoria V Neck Broderie Tiered Hem & Cuff Dress Hot Pink

£210.00 £184.00 12% off
Save £26.00
Sale 50% off
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Luisa Cerano Bold Floral Print Gathered Waist Dress Flute Sleeves Pink Multi

£485.00 £242.00 50% off
Save £243.00
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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.