Zack Galifianakis interviewed Justin Bieber for his Between Two Ferns show on Funny or Die. In the middle of the interview, Galifianakis asks the singer "You’ve had three hairstyles. What’s next for your career?” Galifianakis then stands up, proclaiming, “You’re too young to be smoking pot and pee-peeing in buckets and driving up and down the highway fast! I don’t think your mom would really mind if a stranger whipped her son!” The Hangover star takes off his belt and proceeds to spank Bieber: