REEL NEWS:It was only a matter of time before somebody threatened to make a film about Princess Diana.

News has emerged that Oliver Hirschbiegel, director of Downfalland Five Minutes of Heaven, is planning a project analysing the late princess's relationship with heart surgeon Dr Hasnat Khan. Who is in the frame for the role? Use your head. It's Jessica Chastain, of course. Figures. She does appear to be in absolutely everything these days.