Whatever Your Cup Size, This Bikini Trend Will Suit Absolutely Everyone

With a 32G cup size, I have always seen underwiring as a necessity—particularly when it comes to swimwear. While I've admired triangle bikinis from afar, I know from experience that they don't offer as much hold as I would like. And when I'm essentially wearing my bikini as a top on holiday, the last thing I want to feel is unsupported and unconfident in my cossie. This is why I always opt for underwire bikini styles. Not only do they feel great, but they also make me feel sexier than just about every other swimwear I've tried. But they're not exclusively being worn by women with fuller busts. Everyone I know seems to be in on the trend.

Retro-inspired underwire is appearing on more bikini tops than ever before. Once hidden away underneath fabric, the wire is now being used as a deliberate design detail. Whether you're an A-cup or on the busty side like I am, it'll make you feel great as soon as you put it on. So whether you're looking to do a few laps in the pool or prefer to stick to your lounger, underwire bikinis are sure to tick all of your swimwear boxes. 

Keep scrolling to see how influencers are wearing theirs, and then shop my edit of the best underwire bikinis.

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(Image credit: @lucywilliams02)

Peony is one of the brands spearheading the underwire bikini trend.

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(Image credit: @alyssainthecity)

Alyssa plays to the '50s aesthetic of her underwire bikini top by pairing it with matching high-waist briefs. 

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(Image credit: @palomija)

Keep an eye out for matching accessories to enhance the retro feel of underwire bikinis. 

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(Image credit: @chrissyford)

We love how Chrissy has given her white underwire bikini a playful spin with a printed shirt overtop. 

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(Image credit: @charlottekuhrt)

Charlotte has long been wearing underwire bikini tops. 

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(Image credit: @lucywilliams02)

Lucy clashes her powder-blue underwire bikini top with yellow trousers to chic avail.

SHOP UNDERWIRE BIKINIS

Next, seven bikini trends you'll love wearing this summer.

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Maxine Eggenberger
Deputy Editor

Maxine Eggenberger is Who What Wear UK’s deputy editor and has over thirteen years of experience in fashion journalism. She been creating engaging and elevated style content specifically for Who What Wear UK since 2018, covering runway reports, emerging trends, long-form features, self-styled shopping stories and columns, including her edit of the best new-in buys. She ensures the highest editorial standards are met across the site, leads the editorial team in their SEO strategy and keyword planning, works closely with the beauty team on content initiatives, represents the brand at industry events, and regularly contributes to social media, including her own Who What Wear UK TikTok franchise, French Style Fridays. Previously, Maxine appeared on ITV's This Morning in her own fashion segment and has interviewed countless celebrities—everyone from Victoria Beckham to Oscar winner Lupita Nyong’o.

Prior to Who What Wear UK, Maxine’s career began when, after completing her first-ever internship at Look magazine, she was offered a position on the brand's fashion desk. She accepted, leaving university a year early in the process. Her passion and natural talent for writing and styling meant she swiftly rose through the ranks to become the title's fashion news and commercial content editor, with a stint as InStyle.co.uk’s fashion and beauty writer along the way. She later served as Look’s acting Editor in Chief, overseeing both print and digital, before embarking on a successful freelance career, working with Grazia, The Pool, and Marie Claire amongst others.

Maxine is based remotely from her countryside home near Edinburgh where she spends her downtime renovating her house, walking her dogs, hosting friends and trying to master the art of making Old Fashioned cocktails.