Is Brad Pitt cheating on Angelina Jolie? If Star magazine is to be believed, Brad Pitt and Inglourious Basterds co-star Diane Kruger have gotten a little too cozy for comfort while on the set of their newest flick. (ed. note: the best part of this cover is Jennifer Aniston’s sh*t eating grin to the left)

more photos after the betrayal!…