The Duke of Cambridge was seen at a run-through of Trooping the Colour, the Queen's birthday parade. This year, the prince will ride on the parade as a colonel of the Irish Guards. Read more here:
Elizabeth's birthday, known as Trooping the Colour.
The military ceremony has been a tradition since the 17th century and is performed by regiments of the British Army.The Duke of Cambridge stepping in for the Queen to kick-start the celebrations next weekThe parade took place from Buckingham Palace, along The Mall, to the Horse Guards Parade and back this morning at 10am.
Prince William inspected more than 1,500 soldiers and 350 horses carrying out complicated manoeuvres while more than 7,000 guests watched the challenging drills being carried out to a programme of music.