July 29, 2021 marks the 40-year anniversary of the Prince and Princess of Wales' wedding day. ET takes you back in pictures to the wedding day of the parents of Prince William and Prince Harry.
Prince Charles and Princess Diana's Wedding Photos
The "wedding of the century" took place July 29, 1981. Prince Charles and Lady Diana married at St. Paul's Cathedral and the ceremony was watched around the world.
Lady Diana Being Given Away
Queen Elizabeth Approves
About 4 months before their epic wedding, Queen Elizabeth gave her consent to the newly engaged soon-to-be royal couple.