LONDON, UNITED KINGDOM - JANUARY 20:  Camilla, Duchess of Cornwall meets radio presenter Chris Evans following the launch of BBC Radios 2's '500 Words', a children's story writing competition which is supported by the duchess, in the Morning Room at Clarence House on January 20, 2015, in London, United Kingdom. (Photo by Heathcliff O'Malley - WPA Pool/Getty Images)