It’s no secret that exes Ben Affleck and Jennifer Garner are good friends, but their bond is so strong that the Oscar-winning actor is starting to be a third wheel in Jennifer’s relationship with boyfriend John Miller.

Jennifer Garner's boyfriend, John Miller, appears to be taking a stand after photos surfaced of Garner spending quality time with her ex-partner, Ben Affleck. The pictures, published by

Photos of Ben Affleck and Jennifer Garner cozying up together at their son's birtthday party has reportedly led to an 'ultimatum' for the 'Alias' star.