Demi Lovato joins X Factor USA judges on stage 17969
Demi Lovato joins X Factor USA judges on stage 17970
Demi Lovato joins X Factor USA judges on stage 17971
Demi Lovato joins X Factor USA judges on stage 17972
Demi Lovato joins X Factor USA judges on stage 17973
Demi Lovato joins X Factor USA judges on stage 17974
Demi Lovato joins X Factor USA judges on stage 17975
Demi Lovato joins X Factor USA judges on stage 17976
Demi Lovato joins X Factor USA judges on stage 17977
Demi Lovato joins X Factor USA judges on stage 17978
Demi Lovato joins X Factor USA judges on stage 17979
Demi Lovato joins X Factor USA judges on stage 17980