Late Show with David Letterman: As they do every year, Rupert, Joe G, Mujibur, and Sirajul place their edible "angel" on top of the Late Show Christmas tree; Jim Carrey discusses ab-crunches; Alan flips out while singing "The Little Drummer Boy"; Ashanti performs "Only U."

Starring:

Alan Kalter, David Letterman, Paul Shaffer

Genre:

Comedy, Music, Talk-Show