Robert, who had been dating his 22-year-old co-star since meeting her on the Twilight set in 2008, moved out of their LA home after her affair with the 41-year-old father-of-two was revealed.

Will Ferrell appeared on TBS Conan on Thursday night, where he joined in the conversation about the Kristen Stewart and Robert Pattinson cheating scandal.

"There's this actress, Kristen Stewart, OK? She goes by K-Stew. And, uh, she had a boyfriend, right? Robert Pattinson. He's R-Patz. And she cheated on him, Ferrell said, pretending to hold back tears, U s Weekly reports.

"And they've broken up, and they're not gonna get back together ever. And what they had was so special, Conan!" he went on, starting into a full-on cry. "You don't even know what they had! They were in love! And she just threw it all away!