CHRISTCHURCH, NEW ZEALAND - APRIL 14:  Catherine, Duchess of Cambridge and Prince William Duke of Cambridge meets sets of twins as they greet the public in Latimer Square Gardens on April 14, 2014 in Christchurch, 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 , Dambridge.  (Photo by Ian Jones - Pool /Getty Images)