Demi Lovato joins X Factor USA judges on stage 21001
Demi Lovato joins X Factor USA judges on stage 21002
Demi Lovato joins X Factor USA judges on stage 21003
Demi Lovato joins X Factor USA judges on stage 21004
Demi Lovato joins X Factor USA judges on stage 21005
Demi Lovato joins X Factor USA judges on stage 21006
Demi Lovato joins X Factor USA judges on stage 21007
Demi Lovato joins X Factor USA judges on stage 21008
Demi Lovato joins X Factor USA judges on stage 21009
Demi Lovato joins X Factor USA judges on stage 21010
Demi Lovato joins X Factor USA judges on stage 21011
Demi Lovato joins X Factor USA judges on stage 21012