The Duke And Duchess Of Cambridge Tour Australia And New Zealand - Day 7 [Getty Images]

DUNEDIN, NEW ZEALAND - APRIL 13: Catherine, Duchess of Cambridge walks with her husband Prince William, Duke of Cambridge and the Dean of St Paul's Cathedral Trevor James after attending a Palm Sunday service at St. Paul's Anglican Cathedral on April 13, 2014 in Dunedin, New Zealand. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. (Phot by Phil Noble - Pool/Getty Images)

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