ALDERSHOT, UNITED KINGDOM - MARCH 17: Catherine, Duchess of Cambridge attends the St. Patrick's Day Parade at Mons Barracks on March 17, 2014 in Aldershot, England. (Photo by Anwar Hussein/WireImage)

ALDERSHOT, UNITED KINGDOM - MARCH 17:  Catherine, Duchess of Cambridge attends the St. Patrick's Day Parade at Mons Barracks on March 17, 2014 in Aldershot, England. (Photo by Anwar Hussein/WireImage)