'Infinite Icon: A Visual Memoir' Premiere Image Credit: Photo Credit: Frazer Harrison/Getty Images Demi Lovato supported Paris Hilton at the premiere of her new doc Infinite Icon: A Visual Memoir in L.A. on Tuesday. 'Mercy' Premiere Image Credit: Photo Credit: Jason Mendez/Getty Images for Amazon MGM Studios Chris Pratt premiered his new Amazon MGM Studios flick Mercy in NYC on Tuesday. 'Mel Brooks: The 99 Year Old Man!' Premiere Image Credit: Photo Credit: Emma McIntyre/Getty Images for HBO Mel Brooks joined director Judd Apatow at the L.A.