Demi Lovato joins X Factor USA judges on stage 22001
Demi Lovato joins X Factor USA judges on stage 22002
Demi Lovato joins X Factor USA judges on stage 22003
Demi Lovato joins X Factor USA judges on stage 22004
Demi Lovato joins X Factor USA judges on stage 22005
Demi Lovato joins X Factor USA judges on stage 22006
Demi Lovato joins X Factor USA judges on stage 22007
Demi Lovato joins X Factor USA judges on stage 22008
Demi Lovato joins X Factor USA judges on stage 22009
Demi Lovato joins X Factor USA judges on stage 22010
Demi Lovato joins X Factor USA judges on stage 22011
Demi Lovato joins X Factor USA judges on stage 22012