Britain's Queen Elizabeth II (L) and Princess Michael of Kent attend the Derby Race on the second day of the Epsom Derby Festival, in Surrey, southern England, on June 7, 2014. Aidan O'Brien became the first trainer to win three successive Epsom Derby's on Saturday as favourite Australia prevailed in a thrilling race. AFP PHOTO / JUSTIN TALLIS        (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)