we arr learning more tonighh &pabout whitney houstonns final days.death. all this while investigatorssare hard at work to determine just how she died. sandra endo joins us llve from los angeles with the lltest. sandra? beverly hills police say whitney houston was unconscious and unresponsive when they got to the scene. ffrst aid and cpr were unsuccesssul. now he death investigation continues houston's death sinks in with friends and family, somm are looking back on their final interactions wiih the singer. &pone close friend says hooston she left just hours before she was found dead inna beveely hills hotel room saturday afternoon. "i don't think she was trying to mask anything. sheewas ii great spirits, she was singing and she had gospel music playing." another singer, kelly ppice, denies claims that houston wws acting erratically at a pre-grammy party two days before her for an impromptu duet at the event. "i've heard so many things about people saying she was erratic, she was thhs, she was that. she was none of those things." monday, the pssistant