Why Mark Ruffalo Stopped Being Friends With Jennifer Garner

Jun 27, 2014

When Mark Ruffalo appeared with Keira Knightley on Watch What Happens Live Thursday night to promote their upcoming film Begin Again, a viewer asked about his friendship with another leading lady: Jennifer Garner, his co-star in the 2004 movie 13 going on 30.

"We had a great time together, and I think we would," Ruffalo said, "But then Ben came on the scene, and that was the end of that."

All products and services featured are based solely on editorial selection. TIME may receive compensation for some links to products and services on this website.