BRISBANE, AUSTRALIA - APRIL 19:  Prince William, Duke of Cambridge and   Catherine, Duchess of Cambridge meet with dignatries before a formal reception at the Brisbane Convention Centre on April 19, 2014 in Brisbane, 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 Bradley Kanaris/Getty Images)