ALDERSHOT, UNITED KINGDOM - MARCH 17: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge attends the St Patrick's Day Parade at Mons Barracks on March 17, 2013 in Aldershot, England. (Photo by Indigo/Getty Images)
ALDERSHOT, UNITED KINGDOM - MARCH 17: Catherine, Duchess of Cambridge attends the Irish Guards' St Patrick's Day Parade at Mons Barracks on March 17, 2013 in Aldershot, England. (Photo by Samir Hussein/WireImage)
ALDERSHOT, ENGLAND - MARCH 17: Catherine, Duchess of Cambridge attends a St Patrick's Day parade by the 1st Battalion Irish Guards as she visits Aldershot Barracks on St Patrick's Day on March 17, 2013 in Aldershot, England. (Photo by Ben Pruchnie/Getty Images)
ALDERSHOT, UNITED KINGDOM - MARCH 17: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge presents sprigs of Shamrock to Officers and Guardsmen of the 1st Battalion Irish Guards during the St Patrick's Day Parade at Mons Barracks on March 17, 2013 in Aldershot, England. (Photo by Indigo/Getty Images)
