Justin Bieber Spanked by Zach Galifianakis on 'Between Two Ferns

The host also gives the pop star a stern talking-to and addresses the Anne Frank-Belieber scandal.

Justin Bieber and Zach Galifianakis Funny or Die video - Irish

Justin Bieber gets spanked by Zach Galifianakis

Watch Justin Bieber Get Spanked by Zach Galifianakis (Really) - SPIN

Justin Bieber Justin Bieber gets spanked by Zach Galifianakis

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Zach Galifianakis spanks Justin Bieber!

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Justin Bieber Gets Spanked on 'Between Two Ferns

Between Two Ferns with Zach Galifianakis

Watch Justin Bieber Get Spanked by Zach Galifianakis (Really) - SPIN

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Justin Bieber Spanked by Zach Galifianakis on 'Between Two Ferns