Watch
Freebird here while you still can:
http://videosift.com/video/Conan-Wil...-His-Last-Show
A semi-all-star jam played out O'Brien after his six-and-a-half months of late night talk glory - the last half month was more gory. Billy Gibbons. Ben Harper. And Beck. And, of course, Will Ferrell - with a guest appearance by very pregnant wife Viveca as a background dancer and deep, tongue-kissing target - on the cowbell.