Queen Elizabeth II with her Bloodstock and Racing Advisor John Warren (right) and Richard Hughes (left) as she attends the Dubai Duty Free Spring Trials and Beer Festival at Newbury Racecourse in Newbury, on her 91st birthday. (Photo by Andrew Matthews/PA Images via Getty Images)
Queen Elizabeth II with the Princess Royal as they attend the Dubai Duty Free Spring Trials and Beer Festival at Newbury Racecourse in Newbury, on her 91st birthday. (Photo by Andrew Matthews/PA Images via Getty Images)
Queen Elizabeth II as she attends the Dubai Duty Free Spring Trials and Beer Festival at Newbury Racecourse in Newbury, on her 91st birthday. (Photo by Andrew Matthews/PA Images via Getty Images)
NEWBURY, ENGLAND - APRIL 21: Princess Anne, Princess Royal with Queen Elizabeth II on her 91st birthday, attending the Dubai duty free spring trials meeting at Newbury Racecourse on April 21, 2017 in Newbury, United Kingdom. (Photo by Mark Cuthbert/UK Press via Getty Images)
NEWBURY, ENGLAND - APRIL 21: Princess Anne, Princess Royal attending the Dubai duty free spring trials meeting at Newbury Racecourse on April 21, 2017 in Newbury, United Kingdom. (Photo by Mark Cuthbert/UK Press via Getty Images)
