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The Duke And Duchess Of Cambridge Visit the 1st Battalion Irish Guards On St Patrick's Day

ALDERSHOT, ENGLAND - MARCH 17: Irish wolf hound Domhnalll marches during The Irish Guards' St Patrick's Day Parade at Mons Barrackson March 17, 2013 in Aldershot, England. (Photo by Ben Pruchnie/Getty Images)

Will and Kate's St. Patrick's Day

The Duke and Duchess of Cambridge marked St Patrick's Day by attending a ceremony in Aldershot on March 17.