Sharon OsbourneSharon was at Kelly Osbourne's gig at the Electric Ballroom on Thursday 26th June, and so was Kelly's sister Aimy. But she's not famous. No sign of Ozzy, but a GRATE gig.VH1 DivasChaka Khan, Celine Dion, Mary J Blige, Whitney Houston, Beyonce, Jewel, Lisa Marie Presley, Ashanti, Shania Twain, Pat Benatar, Isley Brothers, Queen Latifah, Sharon Osbourne and STEVIE WONDER!...