Kate, The Duchess of Cambridge and Prince William smile during a visit to the 1st Battalion Irish Guards at the St. Patrick's Day Parade at Mons Barracks, Aldershot, in England, Monday, March 17, 2014. The Duke of Cambridge attended the Parade as Colonel of the Regiment. The Duchess of Cambridge presented the traditional sprigs of shamrocks to the Officers and Guardsmen of the Regiment. (Photo by Kirsty Wigglesworth/AP Photo)
