New York Magazine reports Madonna got her own taste of diva attitude from Missy Elliott at the rehearsals for their Gap commercials. Missy had some business to take care of and remained in her car chatting on a cell phone, leaving the Material Girl waiting for 45 minutes. Madonna walked out to Missy’s car, tapped on the window, and motioned for the hip-hop impresario to speed things up. Missy shooed Madonna away with a flick of her hand. Read more.