Bieber moons Instagram, Twitter

Justin Bieber. (WENN.com)

Justin Bieber. (WENN.com)

QMI Agency

, Last Updated: 1:20 PM ET

Canada's king of pop showed off his cheeky side Saturday night as a photo of his bare behind was posted to his Instagram and Twitter accounts.

Justin Bieber's post was quickly deleted and followed up by a "haha," on Twitter,  but not before thousands of crafty Beliebers liked and screen grabbed the pic.

His manager Scooter Braun appeared to be in on the fun.

"As a prankster u have to respect another good prank. only makes sense. ," he posted on his Twitter account.

An acoustic version of the newly single star's album Believe is due out January 29.

Warning: Slideshow contains Bieber nudity.

 


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