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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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Silk95 Ananda Silk Wrap Dress With Tiered Hem Dark Ruby

£429.00

Kevan Jon Kyoto Flare Bardot Rosette Dress With Fit And Flare Skirt Black

£385.00
Sale 50% off
Only One Left

Kevan Jon Kacey Bardot Twist Front Fitted Scuba Dress Black

£299.00 £149.50 50% off
Save £149.50
Sale 50% off

Joseph Ribkoff Satin Guipure Fitted Trumpet Dress With Cap Sleeves Navy

£339.00 £169.50 50% off
Save £169.50
Sale 30% off

Sara Roka Edrina90 Horse Print Belted Cotton Shirt Dress with Full Skirt Brown/Sky Horse

£579.00 £405.30 30% off
Save £173.70
Sale 50% off

Rosso35 Chevron Stripe Belted Soft Cotton Shirt Dress Blue/White/Beige

£439.00 £219.50 50% off
Save £219.50
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Kevan Jon Mila Pleat Knee Handkerchief Hem Tie Waist Satin Dress Duck Egg Blue

£340.00
Sale 50% off

Kevan Jon Kiera Bardot 3/4 Sleeve Ruched Waist Pleat Hem Dress Peacock

£329.00 £164.50 50% off
Save £164.50
Sold out

Kevan Jon Kris Bardot Knee Length Fitted Dress With Rosette New Blue

£329.00
Sale 50% off
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Diva Appleford Bubble Sleeve Fitted Dress Cobalt Blue

£149.00 £74.50 50% off
Save £74.50
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Y London Ruffle Frill Floral Print V Neck Dress Blue/green

£129.00
Sale 50% off
Only One Left

Hope And Ivy Ciara Blouson Pencil Dress With Embellishment Navy

£135.00 £67.50 50% off
Save £67.50
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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.