Demi Lovato joins X Factor USA judges on stage 32037
Demi Lovato joins X Factor USA judges on stage 32038
Demi Lovato joins X Factor USA judges on stage 32039
Demi Lovato joins X Factor USA judges on stage 32040
Demi Lovato joins X Factor USA judges on stage 32041
Demi Lovato joins X Factor USA judges on stage 32042
Demi Lovato joins X Factor USA judges on stage 32043
Demi Lovato joins X Factor USA judges on stage 32044
Demi Lovato joins X Factor USA judges on stage 32045
Demi Lovato joins X Factor USA judges on stage 32046
Demi Lovato joins X Factor USA judges on stage 32047
Demi Lovato joins X Factor USA judges on stage 32048