Real Couples Who Played Couples on TV

There's some sad breakup news today, as we heard that Nina Dobrev and Ian Somerhalder have reportedly split. Of course, it'll make it a little bit more interesting to see what happens with their characters on The Vampire Diaries, and their three-year relationship also has us thinking about other TV couples who've been couples on TV. From pairs we'll never forget (Seth and Summer!) to those you may not have even known were together (yes, Felicity and Ben were really an item), check out these TV couples who were together both on and off the small screen.

—Additional reporting by Laura Meyers