Phoenix appeared on Letterman’s show in 2009 in character for his mockumentary I’m Still Here, complete with the shaggy beard ...

Joaquin Phoenix’s bizarre 2009 appearance on David Letterman, where he stayed in character from I’m Still Here, left many ...

Joaquin Phoenix says he regrets his infamous interview with David Letterman, in which he remained in character for the entire ...

The actor was promoting the mockumentary 'I'm Still Here' when he delivered one of the strangest interviews ever recorded for late-night television.

Katy Perry brought her Lifetimes Tour to PHX Arena on July 12. It was a sci-fi fever dream with "Roar," "Firework," "I Kissed ...

Joaquin Phoenix was responsible for one of the internet’s earliest viral moments when he appeared on The Late Show with David ...

Sixteen years after his previous 'Late Show' appearance, the 50-year-old actor is opening up on his 'uncomfortable' interview ...

Oscar winner appeared in character from ‘I’m Still Here’, leading many to believe he was having a mental breakdown ...

A ctor Joaquin Phoenix provided one of the most bizarre guest appearances on a late-night talk show of all time back in 2009. He now looks back upon the situation with regret, making it clear he won't ...

Joaquin Phoenix says he regrets his infamous interview with David Letterman, in which he remained in character for the entire ...

Phoenix appeared on "The Late Show" in 2009 in character for his mockumentary "I'm Still Here," calling it "one of the worst nights of my life." ...

Joaquin Phoenix has talked about an infamous 2009 David Letterman interview, called it "one of the worst nights of my life" ...