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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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Dea Kudibal Idaniadea NS Paisley Print Linen Maxi Dress With Rope Belt Paisley Frog

£329.00 £162.00

Onjenu Faye Tiered Hem V Neck Waisted Maxi Dress Purple/yellow/green

£145.00 £101.00

Onjenu Fawcett Floral V Neck Twist Knot Front Maxi Dress Black Multi

£145.00

Aspiga Victoria A V Neck Tiered Hem Needlecord Long Dress Atlantic Blue

£279.00 £139.50

Pomodoro Floral Print Tie Side V Neck Wrap Dress Emerald/black

£120.00 £60.00

Primrose Park Opal V Neck Button Down Blown Floral Print Dress Purple/pink

£350.00 £175.00

Primrose Park Opal V Neck Button Down Blown Floral Print Dress Brown/cream

£350.00 £175.00

Neon Star Long Sleeve Wrap Kiss Print Long Dress Mint/Pink

£135.00 £60.00

Allison Designs Circle Print Tiered Layered Sleeveless Silk Dress Pink/purple

£420.00 £210.00

Sirens Imelda Empire Seam Ditsy Floral Print Tiered Dress Navy Multi

£239.00 £119.00

Sirens Imelda Empire Seam Floral Print Tiered Dress Cream Multi

£239.00 £119.00

Sirens Cora Mandarin V Collar Ditsy Floral Midi Dress Cream Multi

£239.00 £119.00
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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.