Demi Lovato joins X Factor USA judges on stage 05001
Demi Lovato joins X Factor USA judges on stage 05002
Demi Lovato joins X Factor USA judges on stage 05003
Demi Lovato joins X Factor USA judges on stage 05004
Demi Lovato joins X Factor USA judges on stage 05005
Demi Lovato joins X Factor USA judges on stage 05006
Demi Lovato joins X Factor USA judges on stage 05007
Demi Lovato joins X Factor USA judges on stage 05008
Demi Lovato joins X Factor USA judges on stage 05009
Demi Lovato joins X Factor USA judges on stage 05010
Demi Lovato joins X Factor USA judges on stage 05011
Demi Lovato joins X Factor USA judges on stage 05012