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36 wedding guest dresses for your next open bar — Er, celebration of love
Because looking incredible is the least you can do
There are so many wedding guest dresses out there, but whether it's an intimate gathering of nearest and dearest or a 300-person soirée, figuring out what to wear to a ceremony or reception is much trickier than it sounds. You want to feel comfortable but chic, fabulous but free — and you defo don't want to look like you're wearing a funeral dress or trying to upstage the bride in an ivory hue.
Shop our fave wedding guest dresses
And assuming you don't fancy re-wearing a fancy summer dress or borrowing from a friend, the next best thing you can do is invest in something you'll wear again and again. I'm a proud outfit repeater, so a wedding guest dress that looks just as good with ballet flats as it does with strappy heels or trainers is a serious win.
Below, Cosmo's Shopping Editor Kara Kia rounds up 36 of the best dresses to wear to a wedding in 2026 — with a gorgeous pick across every price point. If you're unsure about dress codes – like Black Tie or Cocktail Attire – our guide on what to wear to a wedding as a guest breaks down the style rules for every destination, venue, and location.
Kara Kia is the Ecommerce Editor for Women's Lifestyle at Hearst UK, leading Cosmopolitan UK's digital shopping strategy across fashion, beauty and lifestyle. With over eight years of experience as a journalist and editor, Kara specialises in skincare, makeup, haircare and helping women find their personal style — trying and testing every product she recommends. A trusted voice in fashion and beauty ecommerce, Kara's most-read guides include the best wedding dresses under £1000, the best affordable jewellery brands, the best Korean skincare products, and the best products for curly hair. She also covers major shopping events including Black Friday and Amazon Prime Day for Cosmopolitan, Red and Prima. Kara previously held the role of contributing Fashion and Beauty Ecommerce Editor at ELLE UK and Harper's Bazaar UK; before joining Hearst, she was Fashion Content Editor at NET-A-PORTER's Porter Magazine, Associate Editor at PopSugar, and wrote for Refinery29 and LOVE Magazine. An experienced interviewer, she has spoken to Zendaya, Alicia Keys, Simone Biles and Tyla about life, work and style. Born and raised in Kingston, Jamaica and formerly based in Toronto, Kara now lives in London. Follow Kara on Instagram @kara.kia
Shadé (pronounced sh-ah-day) is the Senior Fashion & Lifestyle Ecommerce Writer at Cosmopolitan UK. From what to shop in the latest Revolve flash sale to how to style the hottest new trends, she shares shopping advice, reports on new collabs and reviews your fave fashion brands.

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