WINDSOR, ENGLAND - APRIL 20: Queen Elizabeth II arrives to open the Alexandra Gardens Bandstand as part of her 90th Birthday celebrations In Windsor on April 20, 2016 in Windsor, England. (Photo by Stuart C. Wilson/Getty Images)
WINDSOR, ENGLAND - APRIL 20: Queen Elizabeth II arrives to open the Alexandra Gardens Bandstand as part of her 90th Birthday celebrations In Windsor on April 20, 2016 in Windsor, England. (Photo by Stuart C. Wilson/Getty Images)