From the cute to the cringeworthy, here are 10 celebrities acting their little hearts out in unearthed audition tapes...
1-4) Early footage from the cast of Glee, including , , and the late, lovely .
5) auditions for American Pie.
6) auditions for Jumanji.
7) auditions for Transformers.
8) for Gossip Girl.
9) goes for Gossip Girl.
10) The Adventures of Sharkboy and Lavagirl
Adorable or embarrassing? To be fair to Megan Fox, it's hard to deliver a line like 'I must really have a weakness for hot guys' with conviction...