Josh Groban Twisted Christmas Songs on Letterman
Last night, David Letterman brought back the super talented Josh Groban to sing the Big Christmas Songs of 2013.
More From 106.3 NOW FM
![Fake Sign Language Interpreter Signs Jibberish At Nelson Mandela Memorial Service [VIDEO]](http://townsquare.media/site/100/files/2013/12/JIMMY_KIMMEL_GETS_INTERPRETOR_TO_INTERPRET_SIGN_LANGUAGE_AT_MANDELA_FUNERAL_Youtube.png?w=980&q=75)
![6 Year Old Colorado Boy Suspended For Sexual Harassment For Kissing Little Girl’s Hand [VIDEO]](http://townsquare.media/site/98/files/2013/12/COLORADO_BOY_SUSPENDED_SEX_HARRASSMENT_FOR_KISSING_HAND__Youtube.png?w=980&q=75)
Last night, David Letterman brought back the super talented Josh Groban to sing the Big Christmas Songs of 2013.