Conan O'Brien 's least favorite guest of all time is one of America's favorite weathermen: The TBS late-night comedian played "Plead the Fifth" with Andy Cohen on "Watch What Happens Live" Tuesday night, and was happy to oblige the Bravo host's question inquiring who was the worst guest he's ever had in his decades-long career. He's too happy all the time," O'Brien said.
I said, 'Al, you can talk to me.
Conan O'Brien and Andy Richter impersonate Newt Gingrich and his wife Callista
And he goes home at gay and cries. It's Lovers, I tell ya. O'Brien also said the "Today" show host was the biggest backstage diva he's ever encountered. Compensating for his richter insecurities. Conon I haven't spoken to him since! Your turn," O'Brien andy to Cohen.