Demi Lovato joins X Factor USA judges on stage 02037
Demi Lovato joins X Factor USA judges on stage 02038
Demi Lovato joins X Factor USA judges on stage 02039
Demi Lovato joins X Factor USA judges on stage 02040
Demi Lovato joins X Factor USA judges on stage 02041
Demi Lovato joins X Factor USA judges on stage 02042
Demi Lovato joins X Factor USA judges on stage 02043
Demi Lovato joins X Factor USA judges on stage 02044
Demi Lovato joins X Factor USA judges on stage 02045
Demi Lovato joins X Factor USA judges on stage 02046
Demi Lovato joins X Factor USA judges on stage 02047
Demi Lovato joins X Factor USA judges on stage 02048