LONDON, ENGLAND - JANUARY 28: Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall wait to sign a notice of their visit at Wilton's Music Hall, as he officially opens the venue on January 28, 2016 in London, England. The Duke and Duchess will meet with historians and architects involved in the venue's recent repair project. (Photo by Alastair Grant - WPA Pool/Getty Images)
