The Duke And Duchess Of Cambridge Tour Australia And New Zealand - Day 11 [Getty Images]

KATOOMBA, AUSTRALIA - APRIL 17: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge pose for a photograph at Echo Point with the Three Sisters Rocks in the background on April 17, 2014 in Katoomba, 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 Arthur Edwards- WPA Pool/Getty Images)

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