Andy Kaufman

On David Letterman’s 20th anniversary with CBS, watch video of his most memorable interviews.

Looks like Emma Stone isn't the only young star with a suitor who could be her parent. The comedienne followed in Jim Carrey's footsteps with this hilarious show of her affection for Justin Bieber.

After bumping into a police car in Italy, Snooki is sporting a new orthopedic necklace. From Willow Smith to Donny Osmond to Ted Kennedy, see celebrities who rocked whiplash couture.

Mel Gibson's disastrous interview with a Chicago’s WGN-TV won’t help his career, but it’s far from the worst-ever talk show appearance. From Norman Mailer to Joaquin Phoenix, WATCH VIDEO of our favorites.

Joaquin Phoenix wasn’t the first star to lose it in late night—Farrah Fawcett, Andy Kaufman, Andy Dick and even Norman Mailer have all melted down before him. View some of the all-time best couch-tastrophes.