Director Oliver Hirschbiegel has been left devastated after his royal biopic Diana flopped at the U.K. box office. The film, starring Naomi Watts as Diana, Princess of Wales, details the last years of the tragic royal's life before she died in a car crash in Paris, France in 1997. It met with a lukewarm reception from critics, and when it opened in Britain last month (Sep13) the movie took just $934,500 (£623,051) in its opening week and barely scraped into the top five at the box office. Within a week, it had slipped to number nine, and Hirschbiegel admits he finds it "devastating" that the film did not endear itself to movie fans. He tells the BBC, "(The reviews were) devastating, but when you make a film you don't think about the reactions... In all the other places where it's opened - in Poland, the Czech Republic, Turkey and Slovakia - it's been very strong... I think for the British, Diana is still a trauma they haven't come to terms with."