Despite reports of cheating, Angelina Jolie and Brad Pitt, who are rumored to be addding Number Five to their Rainbow Tribe, were recently spotted humping like rabbits on the set of Brad’ upcoming flick ‘The Curious Case of Benjamin Buttons.’

“Everyone was buzzing the other day on the set of Brad’s new movie, The Curious Case of Benjamin Buttons, after someone got an accidental eyeful. It was the middle of the day, and Brad and Angie were in his trailer. Someone unwittingly walked in on the two of them going at it! Let’s just say they’re clearly still hot for each other,” a spy gushes.