Viral Video: Heidi Montag’s Transformers 3 Audition Tape Dan Koelsch, May 27, 2010 A week ago we showed you Chris Klein’s bizarre singing audition for Mamma Mia. May seems to be the month of leaked try-outs, as reality star Heidi Montag took it upon herself to film a short Transformers 3 audition video for director Michael Bay. Check it out after the break.