LONDON, ENGLAND - JUNE 10: Catherine, Duchess of Cambridge and Sir Ben Ainslie arrive at the National Maritime Museum in Greenwich for the Ben Ainslie America's Cup Launch on June 10, 2014 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JUNE 10: Catherine, Duchess of Cambridge and Sir Ben Ainslie arrive at the National Maritime Museum in Greenwich for the Ben Ainslie America's Cup Launch on June 10, 2014 in London, England. (Photo by Chris Jackson/Getty Images)