The Duke And Duchess Of Cambridge Tour Australia And New Zealand - Day 19 [Getty Images]

CANBERRA, AUSTRALIA - APRIL 25: Prince George of Cambridge, Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge depart Fairbairn Defence Base on April 25, 2014 in Canberra, Australia. 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)

WireImage Danny Martindale