Demi Lovato joins X Factor USA judges on stage 00969
Demi Lovato joins X Factor USA judges on stage 00970
Demi Lovato joins X Factor USA judges on stage 00971
Demi Lovato joins X Factor USA judges on stage 00972
Demi Lovato joins X Factor USA judges on stage 00973
Demi Lovato joins X Factor USA judges on stage 00974
Demi Lovato joins X Factor USA judges on stage 00975
Demi Lovato joins X Factor USA judges on stage 00976
Demi Lovato joins X Factor USA judges on stage 00977
Demi Lovato joins X Factor USA judges on stage 00978
Demi Lovato joins X Factor USA judges on stage 00979
Demi Lovato joins X Factor USA judges on stage 00980