The Duke And Duchess Of Cambridge Attend The St Patrick's Day Parade At Mons Barracks, Aldershot [Getty Images]

ALDERSHOT, ENGLAND - MARCH 17: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend the St Patrick's Day parade at Mons Barracks on March 17, 2014 in Aldershot, England. (Photo by Samir Hussein/WireImage)

WireImage Samir Hussein