Demi Lovato joins X Factor USA judges on stage 11513
Demi Lovato joins X Factor USA judges on stage 11514
Demi Lovato joins X Factor USA judges on stage 11515
Demi Lovato joins X Factor USA judges on stage 11516
Demi Lovato joins X Factor USA judges on stage 11517
Demi Lovato joins X Factor USA judges on stage 11518
Demi Lovato joins X Factor USA judges on stage 11519
Demi Lovato joins X Factor USA judges on stage 11520
Demi Lovato joins X Factor USA judges on stage 11521
Demi Lovato joins X Factor USA judges on stage 11522
Demi Lovato joins X Factor USA judges on stage 11523
Demi Lovato joins X Factor USA judges on stage 11524