The Insider.com

Kristen Stewart's recent admission that she cheated on Robert Pattinson with married director Rupert Sanders sent Twi-Hards into a tailspin and sparked an ongoing media frenzy. Now Will Ferrell is weighing in on K-Stew's wayward ways and making clear that he's Team R-Patz all the way!

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On last night's Conan, Ferrell appears choked up when explaining that he's upset and hurt by Stewart's betrayal. "They were in love. And she just threw it all away!" He even expressed concern that the scandal could affect the successful Twilight series. "I don't know what it means to the Twilight franchise, I just don't know."

VIDEO: Will Ferrell: I'm Known For My Love Scenes

When Conan O'Brien tries to assure Ferrell that everything is going to be fine, the star of The Campaign gets even more emotional and shouts back, "It's not going to be fine, ever. What they had was so special, you don't even know! You would never know."

VIDEO: Will & Zach Read 50 Shades of Grey

When O'Brien points out that he can understand because he too has been in love, Ferrell counters with, "Not like them... Not like them." The actor then ends his tirade by giving K-Stew a new nickname to match her actions. "She is a Trampire -- that's what she is," he screams with disgust.