STOKE ON TRENT, ENGLAND - FEBRUARY 18: Catherine, Duchess of Cambridge jokes with staff as she visits the 'Emma Bridgewater' pottery factory to view the production of a mug that the company has launched in support of East Anglia's Children's Hospices on February 18, 2015 in Stoke-on-Trent, Staffordshire, England. (Photo by Oli Scarff - WPA Pool/Getty Images)
