Kate Middleton stepped out in style on St. Patrick's Day for the parade with the Irish Guards. See her recycled outfit and decode all the details.

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.