King Charles and Prince and Princess of Wales greet crowds on The Mall ahead of coronation

The King joined the Prince and Princess of Wales to greet well-wishers on the Mall on the eve of the coronation. Charles, William and Kate made the surprise appearance to the delight of huge crowds gathered outside Buckingham Palace. 

The trio took time to shake hands with members of the public as people cheered, took selfies and sang God Save the King. Earlier, the King took part in a final coronation rehearsal at Westminster Abbey.