Celebrities Wear Upside-Down Bikinis for Sexy Underboob Look in 2026
Upside-Down Bikini Trend: Celebrities Flaunt Sexy Underboob

The upside-down bikini trend, which first emerged in 2018, continues to dominate celebrity fashion in the summer of 2026. Kylie Jenner recently posted a photo on Instagram wearing a leopard print bikini top upside down while relaxing in bed with her laptop. The post garnered over 1.7 million likes and numerous positive comments, with fans praising her look.

Why the Upside-Down Bikini Trend Endures

Flipping a classic triangle bikini top creates a more daring silhouette by providing a wider-set lift and revealing a flash of underboob. This flattering style has made a lasting impact on swimwear fashion, with celebrities and influencers alike embracing the trend.

Celebrity Fans of the Trend

Kylie Jenner is not alone in her love for the upside-down bikini. Her sister Kendall Jenner has also been spotted wearing the style in unique ways, showcasing her toned body. Kourtney Kardashian opted for a red version of the trend. Other celebrities include former Miss Universe Australia Laura Dundovic, who wore an upside-down bikini during a beach trip, and actress Sydney Sweeney, who took the trend literally by flipping her top completely. The style also made appearances at Miami Swim Week in 2022 and on reality TV shows like Love Island, where contestants Jess Harding and Antigoni both wore upside-down bikinis. Australian influencer Tammy Hembrow has also shown her support for the saucy style.

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How to Try the Trend Yourself

To achieve the upside-down bikini look, simply take a classic triangle bikini top and flip it so that the straps cross at the back and the triangles sit lower on the chest. This creates a wider-set lift and exposes more underboob, resulting in a sexy and flattering silhouette. The trend shows no signs of slowing down, making it a must-try for summer 2026.

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