Joaquin Phoenix's recent appearance on the Late Show with David Letterman may just be the most bizarre interview that David Letterman has ever conducted in his entire career.
You have to see the video to understand just how out of it Joaquin Phoenix actually was.
Sporting a very unusual beard and sunglasses, he answered many of Letterman's questions with a word or with no response at all.
He also told Letterman that he is quitting acting and that he is going to pursue a hip hop career.
At the end of the interview he took the gum that he had been chomping on the whole time and stuck it under Letterman's desk.
The following are the video highlights from the interview.....