Michael Bay's Lady Friend Decepticon-ly Tiny Bikini

9/7/2011 12:45 AM PDT

Michael Bay's Lady Friend -- Decepticon-ly Tiny Bikini

What's the difference between Michael Bay and his lady friend's bikini bottom? Only one of them was extremely uptight in Miami yesterday.

FYI -- for your Googling pleasure, her name's Lauren Stoner. And duh, she's a model.