Almost anything goes at the Oscars except profanity, sensitive commentary and controversial acts. From Kieran Culkin to Kevin Hart, these stars have had their words muted during the Academy Awards.

Get ready to laugh until it hurts! Join us as we count down the most hilarious moments from the legendary career of Conan ...

From Envelopegate and a jaw-dropping slap to groundbreaking wins and shocking performances, here are the most memorable moments in Oscars history.