How Well do Channing Tatum and 'Roofman' Director Derek Cianfrance Know Each Other?

Channing Tatum reunites with his 'Roofman' director Derek Cianfrance to put their relationship to the test. They discuss how Tatum lost 65 pounds for the role, who would be better suited to live in a Toys r Us, and where Gambit's accent comes from.