Sometimes actors have off days when they're auditioning, sometimes they're brilliant, here are 40 of the rarest audition tapes by various celebrities like Brad Pitt, Megan Fox and Lindsay Lohan. It's crazy to see who ended up getting the part and who didn't, what would Backdraft have been like with Brad Pitt? Comment below to let us know who you think about the auditions, who shouldn't have got the part and who should have.