The Barbie director has signed up to head the jury, which is tasked with watching all the main competition films at the French festival and deciding which one should win the coveted Palme d'Or for best movie, among other prizes. "I love films - I love making them, I love going to them, I love talking about them. As a cinephile, Cannes has always been the pinnacle of what the universal language of movies can be. "Being in the place of vulnerability, in a dark theatre filled with strangers, watching a brand-new film is my favourite place to be.”