Prince George gently shut down little brother Louis' waves at the Trooping the Colour celebration in London on Saturday. The military parade marks King Charles' birthday. Queen Camilla, Prince William,

Members of Britain's royal family gathered at London's Buckingham Palace on Saturday for Trooping the Colour, including Prince William and Kate, the Princess of Wales, and their three children, Princes George and Louis and Princess Charlotte.

Prince George, Princess Charlotte and Prince Louis made an appearance on the Buckingham Palace balcony for Trooping the Colour. See the best photos of the royal siblings.