AYERS ROCK, AUSTRALIA - APRIL 22:  Catherine, Duchess of Cambridge is welcomed by traditional owners Daisy Walkabout and Vincent Nipper as she and Prince William, Duke of Cambridge arrive at Ayres Rock Airport on April 22, 2014 in Ayers Rock, 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 Dean Lewins - Pool/Getty Images)