Diana, Princess of Wales have a paying job before her engagement. She made her first public appearance with Prince Charles in a charity ball in March 1981 at Goldsmiths' Hall, where she met the Princess of Monaco. Twenty-year-old Diana became Princess of Wales when she married the Prince of Wales on 29 July 1981 at St Paul's Cathedral, which offered more seating than Westminster Abbey, a church that was generally used for royal nuptials. The service was widely described as a "fairytale wedding" and was watched by a global television audience of 750 million people while 600,000 spectators lined the streets to catch a
Diana, Princess of Wales he pushed me down again." Charles's aunt, Princess Margaret, burned "highly personal" letters that Diana had written to the Queen Mother in 1993. Biographer William Shawcross considered Margaret's action to be "understandable" as she was "protecting her mother and other members of the family", but "regrettable from a historical viewpoint". Although she blamed Camilla Parker Bowles for her marital troubles, Diana began to believe that her husband had also been involved in other affairs. In October 1993, the Princess wrote to her butler Paul Burrell, telling him that she believed her husband was now in love with his personal assistant