The Star: Joaquin Phoenix

The Show: The Late Show With David Letterman, February 2009

Why So Strange? While Phoenix is sticking with his story that he’s ditching acting for a musical career – at least for now – he turned up on Letterman earlier this year either stoned out of his brain or pretending that he was.

Host David Letterman valiantly tried to coax him with polite questions, but just couldn’t resist ripping into him.