Diana's Majestic Wedding

Princess Diana and Prince Charles on Buckingham Palace — AP GraphicsBank

Princess Diana and Prince Charles pose on the Buckingham Palace balcony after their royal wedding at St. Paul's Cathedral in London on July 29, 1981.

Diana stands with her husband-to-be, Prince Charles, before their wedding at London's St. Paul's Cathedral on July 29, 1981. The couple separated in December 1992, and their divorce was finalized in August 1996.

Princess Diana in wedding dress — AP GraphicsBank

Princess Diana poses in her dress before her wedding to Prince Charles in London on July 29, 1981. The ceremony was watched by 3,500 invited guests and an estimated 1 billion television viewers.

Prince Charles and Princess Diana kiss on wedding day — AP GraphicsBank

Prince Charles and Princess Diana kiss on their wedding day in London on July 29, 1981.

British postage stamp commemorating wedding of Prince Charles — AP GraphicsBank

A British postage stamp commemorates the wedding of the Prince and Princess of Whales, which took place on July 29, 1981. The televised ceremony was watched by an estimated 1 billion people.

Princess of Wales and Prince Charles of Wales at their wedding — STR/AFP/Getty Images

Princess Diana and Prince Charles at their wedding at St. Paul's Cathedral in London on July 29, 1981. The train of the bride's dress was over 25 feet long.

Princess of Wales and Charles — AFP/Getty Images

Princess Diana on her wedding day, July 29, 1981. A crowd of 600,000 people filled the street in front of St. Paul's Cathedral to get a glimpse of the royals.

Prince of Wales, and Princess Diana — Hulton Archive/Getty Images

Members of the royal family pose for a picture in the throne room of Buckingham Palace after the wedding of Charles, Prince of Wales, and Princess Diana on July 29, 1981.

Prince Charles, Prince of Wales and Diana — Anwar Hussein/Getty Images

Prince Charles and Princess Diana leave London's St. Paul's Cathedral following their wedding July 29, 1981. The bride's nerves showed briefly during the ceremony when she mixed up the Prince's names -- calling him Philip Charles Arthur George, rather than Charles Philip.

The newly married Prince and Princess of Whales wave to the crowd following their wedding ceremony at St. Paul's Cathedral in London on July 29, 1981. Diana was the first Englishwoman to marry the heir to the throne since 1659.