Watch Online Free on Watchseries. Marking the 20th anniversary of the death of Princess Diana in a car crash in Paris in August 1997, this documentary reveals how Diana learned to manipulate and control the photographers who pursued her ever since she started seeing the heir to the British throne, Prince Charles, in the early '80s. Contributions from tabloid editors, royal photographers, Diana's friends, and former Press Attaché and her royal bodyguard.