Jennifer Garner's boyfriend John Miller is reportedly fed up with her close ties with Ben Affleck and has given her an "ultimatum" after images of the former spouses getting cozy hit the Internet. Garner and Affleck have raised eyebrows as they continue co-parenting their children,

Jennifer Garner’s boyfriend, John Miller, was seen with his ex-wife amid buzz about her close moments with Ben Affleck. As fans would know, Jennifer and Ben were recently spotted enjoying a paintball game with their 3 children.

Actress Jennifer Garner's boyfriend John Miller was photographed with his ex-wife. TMZ ran photos showing Miller and his ex-wife, Caroline Campbell, "getting into the same car" on Sunday, March 9, 2025. According to TMZ, it's not clear why they were together or where they were going.