ADELAIDE, AUSTRALIA - APRIL 23: Nick O'Connor watches Catherine, Duchess of Cambridge as she signs a drum skin during their visit to the youth community centre, The Northern Sound System, in Elizabeth on April 23, 2014 in Adelaide, 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 - Pool/Getty Images)
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