Prince Charles married Lady Diana Spencer on July 29, 1981, and 45 years later, the world is still fascinated by the wedding of the century. (Image credit: Getty Images)Burrell continues that Diana was worried about seeing Camilla Parker Bowles as she walked down the aisle. It's unsurprising that Diana—who later called her wedding day “the worst day of my life”—had nerves as she entered St Paul's Cathedral. “One of the most shocking things that Diana told me was that the night before the wedding, Charles told her that he didn’t love her,” Thornton said. (Image credit: Getty Images)Charles and Diana are pictured on their July 29, 1981 wedding day.