Supporting Prince William on the momentous day, the Princess Royal pulled out all of the stops, adding smart pearl earrings to her look, as well as perfectly applied lipstick in a bold metallic hue.

The Royal Standard is flying in a gusty breeze above Buckingham Palace. King Charles has asked the Royal Family taking part in the Trooping the Colour parade to wear black armbands, as a mark of respect to the victims of the Air India plane crash, Buckingham Palace said.