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 50% off
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Charlotte Sparre Tiered V Neck Floral Print Maxi Dress Blue/green

Regular price £279.00 £139.50 50% off
Save £139.50
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Sale 51% off
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Y London Flower Print Wrap Viscose Midi Dress Black Cream

Regular price £89.00 £44.00 51% off
Save £45.00
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Sale 52% off

Pomodoro Speckled Print Sleeveless Shift Dress Pink/white

Regular price £99.00 £48.00 52% off
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Sale 36% off
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Bariloche Rociana Wrap V Neck Belted Dress Cobalt

Regular price £149.00 £95.00 36% off
Save £54.00
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Sale 36% off
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Bariloche Beas V Neck Belted Dress With Chiffon Balloon Sleeve Magenta

Regular price £149.00 £95.00 36% off
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Sale 70% off
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Apanage Lace Cut Out Peplum Dress White

Regular price £179.00 £53.70 70% off
Save £125.30
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Sale 50% off

Izabella Zig Zag Fitted Dress With Pleat Pearl Sleeves Ivory/pink

Regular price £225.00 £112.50 50% off
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Sale 53% off
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Camelot Turquoise Painted Floral Print Dress

Regular price £179.00 £85.00 53% off
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Camelot Cream Dress With Double Shoulder Strap

Regular price £180.00 £90.00 50% off
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Sale 65% off
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Marella Nepeta Frill Sleeve Dress Yellow

Regular price £219.00 £76.00 65% off
Save £143.00
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Chokolate Embroidered Detail Polka Dot Maxi Dress Black

Regular price £135.00 £67.50 50% off
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Up to 83% off
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Presen Tiered Dress And Coat With Diamante Detail Pink

Regular price from £150.00 Up to 83% off
Save £300.00
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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.