HAMILTON, NEW ZEALAND - APRIL 12: Prince William, Duke of Cambridge fires the starting gun for one of the races at the Avantidrome where Their Royal Highnesses formally opened by unveiling a commemorative plaque on April 12, 2014 in Hamilton, New Zealand. 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 Danny Martindale/WireImage)
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WireImage Danny Martindale