Justin Bieber on The Late Show
Justin Bieber was the 1st guest on The Late Show with David Letterman last night. Check out the video for the full interview.
More From WDKS-FM
![David Letterman Nearly Unrecognizable in Recent Vacation Photos [PHOTOS]](http://townsquare.media/site/442/files/2014/12/ap9309990644163.jpg?w=980&q=75)
Justin Bieber was the 1st guest on The Late Show with David Letterman last night. Check out the video for the full interview.