Princess Diana: Tragedy or Treason? (2017) is a Documentary, TV Movie film that follows when Princess Diana's life was cut short by a tragic car accident, the entire world mourned her loss. Now, 20 years after her death, Princess Diana: Tragedy of Treason? sheds light on the life and death of one of history's most beloved figures. Currently, you can watch Princess Diana: Tragedy or Treason? on Discovery +. Streaming availability may vary by country and platform over time. It has a user rating of 8.0 out of 10 from 6 votes. Fans of documentary movies may also want to explore similar titles below.