Nicki Minaj Is Hip-Hop's Killer Diva: Inside Rolling Stone's New Issue

Nicki Minaj just may be the hardest-working diva in show business. “I do everything myself,” she explains in Rolling Stone’s new cover story (on stands Friday), telling contributing editor Jonah Weiner about the exhausting process of getting her 15-minute Pinkprint movie to iTunes in time for release. “I’ve gone over all the……