Demi Lovato joins X Factor USA judges on stage 33001
Demi Lovato joins X Factor USA judges on stage 33002
Demi Lovato joins X Factor USA judges on stage 33003
Demi Lovato joins X Factor USA judges on stage 33004
Demi Lovato joins X Factor USA judges on stage 33005
Demi Lovato joins X Factor USA judges on stage 33006
Demi Lovato joins X Factor USA judges on stage 33007
Demi Lovato joins X Factor USA judges on stage 33008
Demi Lovato joins X Factor USA judges on stage 33009
Demi Lovato joins X Factor USA judges on stage 33010
Demi Lovato joins X Factor USA judges on stage 33011
Demi Lovato joins X Factor USA judges on stage 33012