Princess Anne, Princess Royal, Prince George of Wales, Prince Louis of Wales, Catherine, Princess of Wales, Princess Charlotte of Wales, Prince William, Prince of Wales, King Charles III, Queen Camilla, Prince Edward, Duke of Edinburgh and Sophie, Duchess of Edinburgh stand on the balcony of Buckingham Palace to watch a fly-past of aircraft by the Royal Air Force during Trooping the Colour on June 17, 2023 in London, England. Trooping the Colour is a traditional parade held to mark the British Sovereign's official birthday. It will be the first Trooping the Colour held for King Charles III since he ascended to the throne.