Demi Lovato joins X Factor USA judges on stage 04001
Demi Lovato joins X Factor USA judges on stage 04002
Demi Lovato joins X Factor USA judges on stage 04003
Demi Lovato joins X Factor USA judges on stage 04004
Demi Lovato joins X Factor USA judges on stage 04005
Demi Lovato joins X Factor USA judges on stage 04006
Demi Lovato joins X Factor USA judges on stage 04007
Demi Lovato joins X Factor USA judges on stage 04008
Demi Lovato joins X Factor USA judges on stage 04009
Demi Lovato joins X Factor USA judges on stage 04010
Demi Lovato joins X Factor USA judges on stage 04011
Demi Lovato joins X Factor USA judges on stage 04012