Demi Lovato joins X Factor USA judges on stage 32001
Demi Lovato joins X Factor USA judges on stage 32002
Demi Lovato joins X Factor USA judges on stage 32003
Demi Lovato joins X Factor USA judges on stage 32004
Demi Lovato joins X Factor USA judges on stage 32005
Demi Lovato joins X Factor USA judges on stage 32006
Demi Lovato joins X Factor USA judges on stage 32007
Demi Lovato joins X Factor USA judges on stage 32008
Demi Lovato joins X Factor USA judges on stage 32009
Demi Lovato joins X Factor USA judges on stage 32010
Demi Lovato joins X Factor USA judges on stage 32011
Demi Lovato joins X Factor USA judges on stage 32012