Summer booted Casey after two women filed sexual harassment suits against him for his behavior on "I’m Still Here," his fake documentary about Summer’s actor brother,
Joaquin Phoenix. “The lawsuits caused serious trust issues for Summer,” noted the insider. She’s asking for joint custody of their sons
Indiana, 13, and
Atticus, 9, and alimony. Meanwhile Jen, mom of Ben’s kids
Violet, 11;
Seraphina, 8; and
Sam, 5, stayed with the Batman hunk through his gambling and drinking issues.