WELLINGTON, NEW ZEALAND - APRIL 07:  Prince William, Duke of Cambridge, speaks to Wellington Mayor Celia Wade-Brown while Catherine, Duchess of Cambridge and Prince George of Cambridge look on during their arrival at Wellington Airport on April 7, 2014 in Wellington, 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.  (Photo by Hagen Hopkins/Getty Images)