Demi Lovato joins X Factor USA judges on stage 18513
Demi Lovato joins X Factor USA judges on stage 18514
Demi Lovato joins X Factor USA judges on stage 18515
Demi Lovato joins X Factor USA judges on stage 18516
Demi Lovato joins X Factor USA judges on stage 18517
Demi Lovato joins X Factor USA judges on stage 18518
Demi Lovato joins X Factor USA judges on stage 18519
Demi Lovato joins X Factor USA judges on stage 18520
Demi Lovato joins X Factor USA judges on stage 18521
Demi Lovato joins X Factor USA judges on stage 18522
Demi Lovato joins X Factor USA judges on stage 18523
Demi Lovato joins X Factor USA judges on stage 18524