Joaquin Phoenix dropped by
The Late Show With David Letterman on Thursday to promote his latest movie,
Two Lovers.
The 34-year-old actor keeps his head down during most of the interview and doesn't get very chatty. He even forgets his costar's name -
Gwyneth Paltrow!
In between the many awkward silences,
Dave pokes fun at
Joaquin's new look, asking, "What can you tell us about your days with