Catherine (centre L) the Duchess of Cambridge and All Blacks captain Richie McCaw (centre R) give a team talk to young rugby players during a children's rugby game at Forsyth Barr Stadium in Dunedin on April 13, 2014. William, Kate and their son Prince George are on a three-week tour of New Zealand and Australia.  AFP PHOTO / MARTY MELVILLE        (Photo credit should read Marty Melville/AFP/Getty Images)