Justin Bieber has been taken down from his teen pop superstar pedestal during a hilarious interview with The Hangover's Zach Galifianakis.

"It's really exciting to talk to you, especially right in the middle of your public meltdown," Galifianakis says.

In the Funny Or Die video, the comedy star calls out Bieber's increasingly erratic behaviour - including filming himself peeing in a bucket - unbefitting of a teen role model.

justin bieber

Galifianakis also lambasts him for everything saying he thinks Anne Frank would have been a Belieber.

Somehow, Funny or Die convinced Bieber to be part of the staged video and sit there calmly and take it from Galifianakis.

Unamused by Bieber's monotone responses, Galifianakis even started pummelling him with a belt. Yes, really.

"You're not a child, and that's the point. So I can hit a grown man with a belt," Zach explains.

WATCH the full interview below:




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  • Musicians Usher, left, and Justin Bieber arrive at the 22nd Annual Kids' Choice Awards on Saturday, March 28, 2009, in Los Angeles. (AP Photo/Chris Pizzello)

  • Musicians Usher, left, and Justin Bieber arrive at the 22nd Annual Kids' Choice Awards on Saturday, March 28, 2009, in Los Angeles. (AP Photo/Chris Pizzello)

  • Justin Bieber performs at the Pepsi Superbowl Fan Jam Concert in Miami Beach, Florida.

  • Teen pop sensation Justin Bieber performs with Drake at the Juno Awards Sunday, April 18, 2009

  • Canadian singer Justin Bieber performs live in concert during the NRJ showcase on the 1st floor of the Eilffel Tower in Paris, France

  • Paris Jackson and Justin Bieber during a ceremony honoring the late Michael Jackson with Hand and Footprints in Cement, held at Grauman's Chinese Theatre, on January 26, 2012, in Los Angeles.

  • Canadian singer Justin Bieber performs live during a showcase at the Universale Headquaters in Paris, France.

  • Justin Bieber arrives at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Chris Pizzello)

  • Justin Bieber poses for photographs before a personal appearance at HMV in Westfield, west London. Over 1,500 fans turned up to try and meet the singer.

  • Justin Bieber performs live on stage at the Hard Rock Cafe in Las Vegas.

  • Canadian singer-songwriter Justin Bieber visits LIVE@Much in Toronto on Monday, Oct. 5, 2009. The Canadian Press Images/Christian Lapid

  • Justin Bieber and his girlfriend Selena Gomez

  • Justin Bieber with one of his idols, Sean Kingston

  • Justin Bieber with one of his many lady-friends, Kim Kardashian

  • Bieber fever

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  • L-R: Smokey Robinson, Prince Michael Jackson Jr., Prince Michael Jackson II aka Blanket, Paris Jackson and Justin Bieber during the Michael Jackson Hand and Footprint Ceremony with the children of Michael Jackson making the impressions using shoes and sequined glove once worn by Michael Jackson, held at Grauman's Chinese Theater in Hollywood, California on January 26, 2012.

  • Canadian singer Justin Bieber arrives at the Cannes festival palace, to take part in the NRJ Music awards ceremony, in Cannes, southeastern France, Saturday, Jan. 28, 2012. (AP Photo/Lionel Cironneau)