Princess of Sylmar is the 2013 Kentucky Oaks champion.With jockey Mike Smith aboard, the longshot filly surged down the stretch to win the race, overtaking second place finisher Beholder and Unlimited Budget, who came in third.Princess of Sylmar was one of four Todd Pletcher-trained horses in the Oaks.The morning line favorite, Dreaming of Julia, finished fourth after recovering from a rough start.