LIVERPOOL, ENGLAND - JUNE 22: Prince Philip, Duke of Edinburgh and Queen Elizabeth II leave Alder Hey Children's Hospital during a visit to Liverpool on June 22, 2016 in Liverpool, England. (Photo by Chris Jackson-WPA Pool/Getty Images)
LIVERPOOL, ENGLAND - JUNE 22: Prince Philip, Duke of Edinburgh and Queen Elizabeth II leave Alder Hey Children's Hospital during a visit to Liverpool on June 22, 2016 in Liverpool, England. (Photo by Chris Jackson-WPA Pool/Getty Images)