With the 20-anniversary of her death this year, interest in the late Princess Diana is at an all-time high. TLC is airing a 3-hour telecast exploring her life, legacy and conspiracy theories surrounding her death. Watch Princess Diana: Tragedy or Treason on Monday, July 31 at 8 p.m. ET on TLC. Click through to see her life in pictures.
Princess Diana on her first birthday at Park House, Sandringham.
A young Lady Diana Spencer circa 1965.
A young Lady Diana Spencer during a summer holiday in Itchenor, West Sussex circa 1971.
A 14-year-old Lady Diana Spencer being kissed by her pet pony 'Scuffle' in 1974.
Prince Charles arm-in-arm with his fiance, Lady Diana Spencer, on the steps of Buckingham Palace for a photocall on the day they announced their engagement, Feb. 24, 1981.
Prince Charles with his fiance Lady Diana Spencer during a photocall before their wedding while staying at Craigowan Lodge on the Balmoral Estate.
The wedding of Prince Charles and Lady Diana Spencer at St. Paul's Cathedral in London, July, 29 1981.
Princess Diana at the London Coliseum for a performance of the ballet 'Swan Lake' by the Bolshoi Ballet, July, 27 1989. Her dress is by fashion designer Catherine Walker.
Prince William at confirmation with Prince Charles and Princess Diana at Windsor Castle.
Princess Diana With Prince Harry At Hyde Park.
Princess Diana (1961 - 1997) arriving at the Serpentine Gallery, London, in a gown by Christina Stambolian, June 1994.