Just hours later, the princess, along with her boyfriend Dodi Fayed and their chauffeur, died from injuries sustained in a car crash in the early hours of Aug. 31.In this picture made from a security video taken at the Ritz Hotel in Paris, Fayed puts his arm around Diana as they talk to their driver Henri Paul and bodyguard Trevor Rees-Jones. In the short term, the Centre for Economics and Business Research (CEBR) estimated that retail sales dropped 1% that week. However, things started to go south when rumors about Prince Charles' affair with Camilla Parker-Bowles surfaced. In excerpts from a new book by Burrell, The Daily Mirror quoted Diana as writing that "this particular phase in my life is the most dangerous." 679215 Registered office: 1 London Bridge Street, London, SE1 9GF. ... Henri Paul, was in on the scheme and was feeding information to MI6. Paul was intoxicated at the time, and lost control of the car. On Aug. 21, 1997, less than 10 days before her death, Britain's Princess of Wales sprinted after an early-morning session at a gym in Earls Court, west London.Diana, Princess of Wales, and Dodi Fayed, seen in this undated combination picture, had been dating during the summer of 1997, even taking a vacation with Diana's sons, Prince William and Prince Harry.In this picture made from a security video, Diana is seen arriving at the Ritz Hotel in Paris Aug. 30, 1997. Autopsy at Paris morgue: Blood samples drawn directly from the heart. However, her bodyguard, Trevor Rees-Jones, survived.More than 20 years since Princess Diana’s death, conspiracy theories about the primary cause of her demise continue to make rounds. One believes there was a secret plot to kill Diana, the other believes it was a genuine accident.