Demi Lovato joins X Factor USA judges on stage 01993
Demi Lovato joins X Factor USA judges on stage 01994
Demi Lovato joins X Factor USA judges on stage 01995
Demi Lovato joins X Factor USA judges on stage 01996
Demi Lovato joins X Factor USA judges on stage 01997
Demi Lovato joins X Factor USA judges on stage 01998
Demi Lovato joins X Factor USA judges on stage 01999
Demi Lovato joins X Factor USA judges on stage 02000