CANBERRA, AUSTRALIA - APRIL 24:  Prince William, Duke of Cambridge, accompanied by Prime Minister Tony Abbott and Catherine, Duchess of Cambridge, accompanied by Margie Abbott are introduced to President of the Senate John Hohh, on their arrival for a reception hosted by the Prime Minister of Australia at Parliament House on April 24, 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 Alex Ellinghausen - Pool/Getty Images)