Today in Unlikely Celebrity Romances: Cameron Diaz and Sean "Diddy" Combs. Yep. The two have apparently known each other for a while (see photo evidence at left), but were caught smooching Saturday night at a New York club. "They were kissing and making out," and danced in a "very affectionate" manner, sources tell the Post. Diaz and Combs, who were also spotted together last month, left the club together around 3am, but reps for both say they're just friends. Diaz split with Alex Rodriguez in September.