ADELAIDE, AUSTRALIA - APRIL 23:  Catherine, Duchess of Cambridge gestures after she used the DJ decks at 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 Morne de Klerk - Pool/Getty Images)