Demi Lovato joins X Factor USA judges on stage 16001
Demi Lovato joins X Factor USA judges on stage 16002
Demi Lovato joins X Factor USA judges on stage 16003
Demi Lovato joins X Factor USA judges on stage 16004
Demi Lovato joins X Factor USA judges on stage 16005
Demi Lovato joins X Factor USA judges on stage 16006
Demi Lovato joins X Factor USA judges on stage 16007
Demi Lovato joins X Factor USA judges on stage 16008
Demi Lovato joins X Factor USA judges on stage 16009
Demi Lovato joins X Factor USA judges on stage 16010
Demi Lovato joins X Factor USA judges on stage 16011
Demi Lovato joins X Factor USA judges on stage 16012