The British-Brazilian star of 'The Gentleman' and 'Skins' has to grow up the hard way in her new film ‘Adulthood’. She speaks with Annabel Nugent about playing perennial cool girl Effy Stonem, protecting young women on set, and why watching ‘Euphoria’ gives her anxiety Get the latest entertainment news, reviews and star-studded interviews with our Independent Culture email Get the latest entertainment news with our free Culture newsletter Get the latest entertainment news with our free Culture