The Duke And Duchess Of Cambridge Tour Australia And New Zealand - Day 4 [Getty Images]

WELLINGTON, NEW ZEALAND - APRIL 10: Catherine, Duchess of Cambridge looks at Prince William, Duke of Cambridge sit in a plane at a WW1 commemorative and Flying Day at Omaka Aviation Heritage Centre on April 10, 2014 in Blenheim, 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 Samir Hussein/WireImage)

WireImage Samir Hussein