(Derek "McDreamy" Shepherd)Oh, man, this one hurt. In season 11, the romantic hero of Grey's Anatomy was involved in a car accident while in Washington, D.C. After the doctors in the hospital take too long to diagnose his head injury, Derek becomes brain dead. Meredith eventually consents to have him removed from life support, thus ending a love story that began in season 1.After his character's death in 2015, Dempsey decided to take a step back from acting and focus on another love: motorsports. Since leaving the ABC drama, Dempsey has competed in different car racing events around the world. In 2016, he returned to acting with Bridget Jones' Baby, and is rumored to star in the sequel to his 2007 film Enchanted.