AUCKLAND, NEW ZEALAND - APRIL 11:  Catherine, Duchess of Cambridge greets families of the RNZAF after arriving at Whenuapai 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 Sarah Ivey-Pool/Getty Images)