Hailey Bieber is unmatched in the bikini pic category—rivaled only, perhaps, by her best friend Kylie Jenner. So when Jenner announced she'd be releasing a new collab, marrying her favorite swimsuit brand Frankie's Bikinis and her own fashion brand Khy, it made complete sense. Hailey Bieber wore a pink metallic micro-bikini from Kylie Jenner's new Frankie's Bikinis collection. Summer 2026’s swim trends reflect exactly that." Shop Summer's Chicest Swim Trends