And it isn’t just Jenner who's bringing this style to the forefront. Sisters Kourtney and Kim Kardashian and pal Bella Hadid have been seen rocking it too — though, full disclosure: There's some chatter that Hadid is actually wearing a leotard. If that’s the case, get yourself to Discount Dance and call it a day. Otherwise, click through to see how they're wearing the trend, and how you can get in on it before summer's end.