After three years together, Nina Dobrev and Ian Somerhalder have broken up.

Photos: Like Nina and Ian, which other TV couples dated in real life?

As co-stars on The Vampire Diaries, the pair hid their romance for a long time. They resisted posing for photos together and made separate red-carpet appearances for some time. Nina told Seventeen a few months ago, "I didn't want to be dating one of my costars. My goal on the show was to be professional."

Photos: Nina and Ian are among the cutest couples at Coachella 2013!

Over the last year, they've been much more overt in their affection, even posing for a racy Entertainment Weekly cover together to promote the show. A source tells Us Weekly, "will continue to work together and remain best friends, which is where the relationship started."

Are you surprised that these two have broken up? Do you watch the pair on Vampire Diaries? Did you think they were a good match? Tell us in the comments below or tweet us @OKMagazine.

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