Demi Lovato joins X Factor USA judges on stage 09969
Demi Lovato joins X Factor USA judges on stage 09970
Demi Lovato joins X Factor USA judges on stage 09971
Demi Lovato joins X Factor USA judges on stage 09972
Demi Lovato joins X Factor USA judges on stage 09973
Demi Lovato joins X Factor USA judges on stage 09974
Demi Lovato joins X Factor USA judges on stage 09975
Demi Lovato joins X Factor USA judges on stage 09976
Demi Lovato joins X Factor USA judges on stage 09977
Demi Lovato joins X Factor USA judges on stage 09978
Demi Lovato joins X Factor USA judges on stage 09979
Demi Lovato joins X Factor USA judges on stage 09980