AUCKLAND, NEW ZEALAND - APRIL 11:  Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge sail with Team New Zealand at the Viaduct Basin on April 11, 2014 in Auckland, 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 Fiona Goodall-Pool/Getty Images)