2015 iHeartRadio Music Festival - Night 1 - Backstage [Getty Images]

LAS VEGAS, NV - SEPTEMBER 18: Singer Christina Grimmie attends the 2015 iHeartRadio Music Festival at MGM Grand Garden Arena on September 18, 2015 in Las Vegas, Nevada. (Photo by Isaac Brekken/Getty Images for iHeartMedia)

Getty Images Entertainment Isaac Brekken