According to a Hollywood porn boss, Iggy Azalea allegedly recorded a sex tape that could make her millions upon millions, but Iggy tells TMZ she can’t cash in on the vid … because it’s NOT her! Vivid honcho Steven Hirsch says he has seen some footage which he says appears to be Iggy with an ex-boyfriend — and from the little he’s seen … he’s sure it could easily top Kim Kardashian ‘s legendary sex tape in sales. It also means she won’t collect years and years of mailbox money …