Watch Heidi Montag's 'Transformers 3' audition. As you've all surely heard by now, Megan Fox has been dropped from "Transformers 3." Nobody knows the actual story, but rumors say Michael Bay fired the screen siren. Of course, Fox claims she's the one who quit, but who are you going to believe.

With the role now up for grabs, "The Hills" star Heidi Montag is willing and ready to play the female lead in "Transformers 3." She even posted her audition tape on her Facebook page in hopes of grabbing the attendion of the film's director, Michael Bay.

In the 30-second video, Heidi shows off her combat skills at the American Defense Enterprise. Proving she's got more than just good looks, Heidi runs around shooting various targets. What's shocking? Her husband Spencer Pratt was nowhere in sight.