The Duke And Duchess Of Cambridge Tour Australia And New Zealand - Day 10 [Getty Images]

Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge and Prince George of Cambridge arrive at Sydney Airport on RAAF B737 on April 16, 2014 in Sydney, 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.

Getty Images Entertainment Ryan Pierse