Before these famous celebs could pick and choose their roles, they had to audition for them just like everybody else! Check out some of your favourite actors and actresses before they landed that life-changing role.
Emma Stone - Easy A
Rachel McAdams - The Notebook
Steve Carrell - Anchorman
Seth Rogen - Freaks and Geeks
Jason Segel - Freaks and Geeks
Ellen Page & Olivia Thirlby - Juno
The Office audition tapes - You may be a bit surprised who came in for a go...
Lindsay Lohan's screentest - The Parent Trap
Chad Michael Murrey & Hilary Duff - A Cinderella Story
Aaron Paul - Breaking Bad
The first ever screentest for Daniel Radcliffe, Rupert Grint & Emma Watson - Harry Potter