WATCH Bradley Cooper Assault Zach Galifianakis on Between Two Ferns

Former Hangover co-stars Bradley Cooper and Zach Galifianakis got together on the set of Galifinakis’s Internet talk show, Between Two Ferns. Galifinakis apparently isn’t all that thrilled by Cooper’s recent Oscar-nominated success on The Silver Linings Playbook. Fast-forward to the three-minute mark to see the two go to (hilarious) battle: