LONDON, UNITED KINGDOM - MARCH 3: Queen Elizabeth II signs a visitor's book during a Queen's Trust visit to the Lister Community School in Plaistow on March 3, 2016 in London, England. (Photo by Toby Melville - WPA Pool/Getty Images)
LONDON, UNITED KINGDOM - MARCH 3: Queen Elizabeth II signs a visitor's book during a Queen's Trust visit to the Lister Community School in Plaistow on March 3, 2016 in London, England. (Photo by Toby Melville - WPA Pool/Getty Images)