King Charles is said to have given firm etiquette instructions to Princess Charlotte and Prince Louis on the Buckingham Palace balcony during Trooping the Colour in London on 13 June, with a professional lip reader claiming the monarch quietly told the young royals when to wave to the crowds.
The moment unfolded at the end of Trooping the Colour, the annual military parade that marks the Sovereign's official birthday and draws large crowds to central London. Senior royals including Queen Camilla, the Prince and Princess of Wales, Prince George, Princess Charlotte, Prince Louis and Princess Anne joined King Charles on the balcony to watch the RAF flypast over Buckingham Palace, a carefully framed snapshot of the slimmed-down monarchy the Palace wants the world to see.