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

ALDERSHOT, ENGLAND - MARCH 17: Catherine, Duchess of Cambridge attends the St Patrick's Day Parade at Mons Barracks on March 17, 2015 in Aldershot, England. (Photo by Samir Hussein/WireImage)

WireImage Samir Hussein