Unscripted: Vince Vaughn and Jon Favreau in The Breakup -
Vince Vaughn and Jon Favreau banter back and forth over casting and the relevance of tummy sticks.

Clips

Film Fixation - Jens Men Troubles - The Break-Up

Unscripted: Vince Vaughn and Jon Favreau in The Breakup - Full Interview

Unscripted With Vince Vaughn and Jon Favreau