LONDON, ENGLAND - JULY 11: A general view of the bus destination sign changed to wish Camilla, Duchess of Cornwall a happy brithday ahead of the Duchess hosting a tea party to celebrate the Duchess's Bookshelves Project at Clarence House on July 11, 2017 in London, England. The Project is an initiative to find the nation's 70 favourite children's books to mark the Duchess of Cornwall's 70th birthday. (Photo by Chris Jackson - WPA Pool/Getty Images)
