WELLINGTON, NEW ZEALAND - APRIL 10: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge attend the "Knights of the Sky" exhibition at Omaka Aviation Heritage Centre in Blenheim on April 10, 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 Danny Martindale/WireImage)
