These are some of the most controversial, albeit infamous, interviews of David Letterman's career. You may find some of these names familiar, others you may not, but no matter what the case, you should have a few laughs, a few cries and a few cringes. Enjoy!
2009: After news broke of Letterman's infidelity, Rock came on the show and poked fun at the host's personal troubles.
Birthplace: Andrews, South Carolina, United States of America
Profession: Comedian, Television producer, Film Producer, Screenwriter, Actor, + more
Credits: Chris Rock: Bigger & Blacker, Madagascar, Head of State, The Oscars
Also Rankedsee more on Chris Rock
2009: Who could forget Joaquin Phoenix's stunt? Though no one knew it at the time, including Letterman, that this was part of a gag for Phoenix's mockumentary, I'm Still Here. His bizarre, rambling appearance is still a headscratcher, even though the actor explained himself the next time he was on the show.
Birthplace: Río Piedras, Puerto Rico, Puerto Rico
Profession: Television producer, Musician, Film Producer, Actor, Music video director, + more
Credits: Gladiator, Walk the Line, The Master, Her
Also Rankedsee more on Joaquin Phoenix
1995: Upon finding out it was Letterman's birthday, Barrymore decided to give him a special birthday present and flashed the host. Happy birthday indeed.
Birthplace: Los Angeles, Culver City, California, United States of America
Profession: Television producer, Film Producer, Model, Screenwriter, Author, + more
Credits: Donnie Darko, Charlie's Angels, Scream, My Date with Drew
Also Rankedsee more on Drew Barrymore
1982: One of the original controversial performances, comedian Andy Kaufman and pro wrestler Jerry "The King" Lawler guested on "Late Night" and appeared to get into a fight. But alas, it ended up fooling everyone there, including the host, as it was a stunt to promote their upcoming wrestling match.
Age: Died at 35 (1949-1984)
Birthplace: New York City, New York, United States of America
Profession: Wrestler, Comedian, Screenwriter, Actor, Writer, + more
Credits: Taxi, Heartbeeps, I'm from Hollywood, My Breakfast with Blassie
#26 on The Most Original Comedianssee more on Andy Kaufman