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(l to r) Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge and Prince Harry pose at the official start of stage one of the 2014 Tour de France, a 190km stage between Leeds and Harrogate, on July 5, 2014 in Leeds, England. (Photo by Bryn Lennon/Getty Images)

(l to r) Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge and Prince Harry pose at the official start of stage one of the 2014 Tour de France, a 190km stage between Leeds and Harrogate, on July 5, 2014 in Leeds, England.  (Photo by Bryn Lennon/Getty Images)