Queen Elizabeth II arrives for the first day of the annual Royal Ascot horse race meeting at Ascot Racecourse on June 18, 2019 in Ascot, UK. Photo: VCG

Queen Elizabeth II and Queen Maxima of the Netherlands attend the first day of Royal Ascot at Ascot Racecourse on June 18, 2019 in Ascot, England. Photo: VCG

Catherine, the Duchess of Cambridge, attend the annual Royal Ascot horse race meeting at Ascot Racecourse on June 18, 2019 in Ascot, UK. Photo: VCG