Demi Lovato joins X Factor USA judges on stage 15766
Demi Lovato joins X Factor USA judges on stage 15300
Demi Lovato joins X Factor USA judges on stage 15767
Demi Lovato joins X Factor USA judges on stage 15301
Demi Lovato joins X Factor USA judges on stage 15768
Demi Lovato joins X Factor USA judges on stage 15302
Demi Lovato joins X Factor USA judges on stage 15769
Demi Lovato joins X Factor USA judges on stage 15303
Demi Lovato joins X Factor USA judges on stage 15770
Demi Lovato joins X Factor USA judges on stage 15304
Demi Lovato joins X Factor USA judges on stage 15771
Demi Lovato joins X Factor USA judges on stage 15305