LAS VEGAS, NV - MAY 17: (L-R) Singers Harry Styles, Liam Payne, Louis Tomlinson and Niall Horan of One Direction pose backstage at the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Kevin Mazur/BMA2015/WireImage)
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WireImage Kevin Mazur/BMA2015