Demi Lovato Awake & Responsive After Suffering Drug Overdose

    Photo: PageSix.com   According to TMZ, Demi Lovato was rushed to an L.A. hospital after suffering what appears to be a heroin overdose.   Lovato was transported by ambulance from a home in the Hollywood Hills before noon on Tuesday.   Law enforcement says that Lovato was treated at her home with Narcan which is an