Justin Bieber Gets Spanked By Zac Galifianakis Between Two Ferns! Watch HERE!

Comedy, ladies and gentleman!

Justin Bieber knew that when appearing on Zac Galifianakis‘ web series Between Two Ferns, HIGHlarity (and a possible whooping) would most definitely ensue!

But who had any idea Zac would be asking tough questions journalists have been afraid to mention to the bad boy performer!?

The Hangover star addressed many controversial career topics with Bieberoni during the crazy funny sit-down, including peeing in buckets/getting caught, hoping Anne Frank would be a Belieber, and smoking pot with friends!

Sooo, how did Justin answer?!

Ch-ch-check out the full episode (above) to see how lil’ Biebs responded—before Zac kicked his a** with a belt for being sassy!

It’s AH-mazingly funny!