The Insider sat down with former backup dancer Saleema Mubaarak, who reveals that she never witnessed Whitney Houston abusing drugs or alcohol during the ten-year period they worked together.
Mubaarak -- who worked with the fallen superstar throughout the '90s -- said she's still in a state of complete disbelief that the pop icon is gone. 'I'm still in shock in denial, kind of. I don't believe it.'
Video: Stars Remember Whitney Houston at the Grammys