'The Vampire Diaries' newest vamp: 'Supernatural's' Lauren Cohan to play Rose

There's a new vampire in Mystic Falls, "Vampire Diaries" fans. Sources confirm to Zap2it that "Supernatural's" Lauren Cohan will be sinking her teeth into the role of Rose, a tough, sexy vampire who might just catch Damon's (Ian Somerhalder) eye.

But then again, doesn't everybody?

Rose is over 500 years old and described as disarmingly elegant despite a "tough girl" first impression. Five centuries of bloodsucking have given her a certain edge. "Maybe there's some humanity left in her -- have fun finding it," my source says.

She's expected to make her first appearance in Episode 8, titled "Rose" -- yeah, she's kind of a big deal.

Cohan is best known for her role as the mercenary Bela Talbot on "Supernatural." She had a coy love-hate flirtation with Dean (Jensen Ackles) and appeared in Sam's (Jared Padalecki) dirty dreams. If she can get those two all hot and bothered...