Kate, the Princess of Wales, sported a forest green long coat with matching hat as she marked St. Patrick's Day with a solo visit to the Irish Guards at Wellington Barracks. The royal, who is the ceremonial colonel of the regiment,

Kate, dressed in a bottle-green coat and percher hat, presented shamrock to officers of the Irish Guards at a parade in Wellington Barracks, central London. She also bought a round of drinks for the troops, with money put behind the bars serving junior guardsmen and officers to mark the Irish Guards' 125th anniversary.

Watch: The princess marked St Patrick's Day in London after missing out on the visit last year The Princess of Wales sipped half a pint of Guinness as she celebrated St Patrick's Day with the Irish Guards.