LONDON, ENGLAND - APRIL 25: Queen Elizabeth II attends a Service of Commemoration and Thanksgiving to mark the ANZAC Landings at Westminster Abbey on April 25, 2015 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - APRIL 25: Queen Elizabeth II attends a Service of Commemoration and Thanksgiving to mark the ANZAC Landings at Westminster Abbey on April 25, 2015 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)