Gareth Fuller/PA Wire
The Duke and Duchess of Cambridge appear with officers and guardsmen of 1st Battalion the Irish Guards during the regiment's St Patrick's Day parade at Cavalry Barracks in Hounslow.
Gareth Fuller/PA Wire
Green Glam
Kate sports a forest green custom Alexander McQueen dress coat and matching fascinator, paired with black Gianvito Rossi "Piper" suede pumps, a green tourmaline and green amethyst oval drop Kiki McDonough earrings and a gold Cartier three-leaf shamrock emerald brooch, a hand-me-down from Queen Elizabeth II's late mom, the Queen Mother.

