Katy Perry performs on stage at the 57th Annual Grammy Awards in Los Angeles February 8, 2015. AFP PHOTO / ROBYN BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)
Katy Perry performs on stage at the 57th Annual Grammy Awards in Los Angeles February 8, 2015. AFP PHOTO / ROBYN BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)
