When it comes to Hollywood's most desirable actors, Jake Gyllenhaal has little competition at the top of the list. He's the guy every woman wants and every man wants to be. He knows this, which is why he's put his boyish smile, undeniable charm, and "can't quit you" attitude to good use on the celebrity dating circuit. From supermodels to co-stars to musicians, rumored flings to long-term relationships, Gyllenhaal has had his fair share of A-list romances. See for yourself with a photo tour of his love life.