No one does St. Patrick's Day quite like the British royal family. Prince William looked rather dashing in his uniform during a solo outing in London, but there have been many other memorable appearances from his family over the years. In 2012, Kate Middleton made her first royal St. Patrick's Day appearance and just last year, the two showed off their sweet chemistry during the annual parade at Mons Barracks. In honor of the Irish holiday, take a look back at the many times the royals went green.