STAFFORD, ENGLAND - MAY 17: Queen Elizabeth II attends the Duke of Lancaster's Regimental Memorial dedication at National Memorial Arboretum on May 17, 2016 in Stafford, England. (Photo by Mark Cuthbert/UK Press via Getty Images )
STAFFORD, ENGLAND - MAY 17: Queen Elizabeth II attends the Duke of Lancaster's Regimental Memorial dedication at National Memorial Arboretum on May 17, 2016 in Stafford, England. (Photo by Mark Cuthbert/UK Press via Getty Images )