Frankie Dettori time he has completely rededicated himself to riding. He was rewarded for his newfound dedication by becoming the British Champion Jockey in 2004. The Epsom Derby was the only British Classic Race Dettori had not won in his career, until his fifteenth attempt on 2 June 2007 on the Peter Chapple-Hyam trained Authorized. The following day he won the Prix du Jockey Club on Lawman, notching up a derby double. In 2007 Dettori became the face of "Jockey" yoghurt, sold across Europe, but especially popular in France. Controversial at first for its sweet flavour, Dettori's advertising campaign: "Frankie know whatta
Roseate Tern (horse) behind Michelozzo and Sapience, with Terimon in fourth place. At the end of the year, the filly was bought privately by the American businessman Peter Brant and moved to the stable of Luca Cumani at Newmarket. On her first appearance as a four-year-old Roseate Tern was ridden by Frankie Dettori in the Group Two Jockey Club Stakes over one and a half miles at Newmarket on 4 May and started third choice in the betting behind Brush Aside (an eight length winner of the John Porter Stakes on his previous start) and Assatis (Hardwicke Stakes, Gran Premio del Jockey Club).