I hate all novelty holiday songs, Letterman says in the new video posted on hisLettermanYouTube channel.
The only one I love is Christmas (Baby hey Come Home).'
Her annual performance would come at the end of the final episode before the shows Christmas breaks.

Thats bullshit!, Letterman responds, before joking, And I hope I havent ruined anyones holiday.
The only things missing were the late Jay Thomas,his Lone Rangerstory and thefootball-pizza challenge.
Watch LovesLettermanreunion performance above.