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 Catherine, Duchess of Cambridge presents a Shamrock to Domhnall (The Irish Wolf Hound Regimental Mascot) during the St Patrick's Day Parade at Mons Barracks on March 17, 2015 in Aldershot, England. (Photo by Eddie Mulholland - WPA Pool/Getty Images)

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