Leonardo DiCaprio and Brad Pitt talk movie stardom at 'Once Upon a Time in Hollywood' premiere

Hollywood stars Leonardo DiCaprio and Brad Pitt delighted fans by signing autographs and posing for photographs on Hollywood Boulevard as director Quentin Tarantino premiered his story about movie magic and acting pains: 'Once Upon a Time in Hollywood' on Monday. Tarantino's ninth film is centred on Rick Dalton, a TV actor wracked by self-doubt, played by DiCaprio.