For Derek, who is now 45, the death of Dudley Moore represents the last page closing on what may have been the most important chapter in her life, a life that she has now written about in an autobiography, Riding Lessons: Everything That Matters in Life I Learned from Horses. That chapter opened when Derek was catapulted to fame as the beyond-beautiful embodiment of every hot-blooded male fantasy in 10. She became the iconic 1980s sex symbol, jogging along the beach in breast-bouncing slo-mo in front of the sex-addled Moore, her hair in the cornrows that every young girl soon demanded.