LAS VEGAS, NV - SEPTEMBER 19: Singer Jennifer Lopez performs onstage at the 2015 iHeartRadio Music Festival at MGM Grand Garden Arena on September 19, 2015 in Las Vegas, Nevada. (Photo by Kevin Mazur/WireImage)
LAS VEGAS, NV - SEPTEMBER 19: Singer Jennifer Lopez performs onstage at the 2015 iHeartRadio Music Festival at MGM Grand Garden Arena on September 19, 2015 in Las Vegas, Nevada. (Photo by Kevin Mazur/WireImage)