Now that Megan Fox is not starring in Transformers 3, it seems that everyone in Hollywood wants to replace her! Heidi Montag is the latest starlet gunning to play Shia Labeouf's love interest in the film franchise.  Check out her home-made audition tape for director Michael Bay.   Spencer Pratt takes on the role of camera-man... filming Heidi on his iPhone!  Check it out:

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What did you think ofHeidi Montag's audition tape?  We're thinking desperate. 

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