Meanwhile, Duchess Meghan, who made her very first appearance at the iconic yearly ceremony - looked incredible in a pale-pink Carolina Herrera ensemble, which had a slightly retro feel with a button-down front and open neckline.
He rode out alongside Prince Charles, Colonel of the Welsh Guards, the Duke of Cambridge, who is Colonel of the Irish Guards and Princess Anne, who is Colonel of the Blues and Royals.
About 1,000 soldiers marched to House Guards Parade in Whitehall, central London, as part of the ceremony, which marked Queen Elizabeth's 92nd birthday. The Duchess of Cambridge sported a long-sleeved dress by Alexander McQueen paired with a matching hat by Juliette Botterill, while Parker-Bowles wore a textured jacket atop a matching dress, completing her look with a ribbon-trimmed hat.
The view along the Mall heading back to Buckingham Palace.
Prince Philip, the Duke of Edinburgh, did not take part today, in line with his retirement from public life previous year.
George, who turns five in July, was just as excited as he watched the roaring fly-past by the Royal Air Force. REUTERS/Simon Dawson Princess Charlotte waves as she leaves St George's Chapel at Windsor Castle following the wedding of her uncle Prince Harry to Megan Markle Royal wedding Princess Charlotte on the steps of St George's Chapel in Windsor Castle after the wedding of Prince Harry and Meghan Markle. "There's going to be a lot of eyes and I am going to have an influence on other people". They are expected to travel to Australia, New Zealand, Fiji and Tonga.