Johnny Depp and Amber Heard face off in court on first day of 'soap opera' libel trial

Johnny Depp and Amber Heard have faced each other in court during the first day of their multimillion-dollar US libel trial - with the actor's team saying his ex is preparing for "the performance of a lifetime", and her lawyers warning the case will expose the "real" person behind the "fame" and "pirate costumes".