Italian singer Andrea Bocelli performs for The Queen during the final night of The Queen's 90th Birthday Celebrations at the Royal Windsor Horseshow in the grounds of Windsor Castle, west of London on May 15, 2016. The event tells the remarkable story of The Queen's life encompassing a reign spanning more than 60 years. The sovereign last year overtook her great-great-grandmother queen Victoria to become Britain's longest-serving monarch. / AFP PHOTO / Leon NEAL