HBO has released the official trailer for its upcoming documentary charting the rise and fall of Diana, Princess of Wales. The film, titled The Princess, comes shortly before the 25th anniversary of the princess’ death in 1997 and will be released on the US streamer on August 13. It will explore Diana’s complex relationship with the media and her romance with the Duke of Wales, including their marriage through to their infamous split in 1992.The film will also show how the paparazzi frenzy contributed to Diana’s death at the age of just 36.