LAS VEGAS, NV - MAY 17: Britney Spears attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Jeff Kravitz/BMA2015/FilmMagic)
LAS VEGAS, NV - MAY 17: Britney Spears attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Jeff Kravitz/BMA2015/FilmMagic)