![Revealing: Before They Were Famous Celebrity Auditions – Jim Carrey, Jimmy Fallon, Seth Rogen and More! [VIDEOS]](http://townsquare.media/site/527/files/2015/01/Screen-Shot-2015-01-14-at-11.45.07-AM.png?w=980&q=75)
Revealing: Before They Were Famous Celebrity Auditions – Jim Carrey, Jimmy Fallon, Seth Rogen and More! [VIDEOS]
What does it take to nail an audition for a big movie role? Take a look at some our favorite celebrities giving it their all to get the part in these rare audition clips.