Whilst the number of royals on the Buckingham Palace balcony has decreased over the years, there's still plenty of opportunity for the Firm's members to put on a charming display.
The former equestrian, 75, made her way to the Horse Guards Parade from Buckingham Palace alongside the Prince of Wales, 43, and the Duke of Edinburgh.
King Charles led a slimmed-down contingent of senior royals, including Queen Camilla and the Prince and Princess of Wales, on the Buckingham Palace balcony today.
William and Kate's son, who recently turned eight, joined his siblings, Prince George, 12, and Princess Charlotte , 11, for their grandfather, King Charles's official birthday parade in London.
This year, the honour of trooping the Colour falls to the Grenadier Guards, the British Army's most senior infantry regiment, which is celebrating its 370th anniversary.
The future king, 11, put on a smart display in a stylish suit for the King's official birthday in London, travelling in a carriage with his mother, the Princess of Wales, along The Mall.