PHOTO: Justin Bieber Posts Butt Shot On Instagram

Justin Bieber, recently single, posted a picture of himself on Instagram purposely exposing his backside to all his followers on Saturday.

Bieber, 18, is seen in the photograph in a black tank top, backwards hat and sunglasses peering over his shoulder while he pulls the back of his pants down for the camera. The "Beauty and the Beat" singer was just having some mischievous fun according to manager Scooter Braun. He tweeted, "as a prankster u have to respect another good prank. only makes sense. #crackdealer." Bieber simply replied, "haha."

The cheeky pop singer got over 80,000 likes on Instagram for his mooning pose.

This wasn't the first time in recent days that Bieber has gotten nearly naked for the cameras. While on stage in Nashville on Jan. 18, he ripped off his shirt and performed in nothing but red boxer briefs and low hanging zebra-printed pants. "Justin wanted to change his image around his 18th birthday last March," an insider told Us Weekly. "Justin wanted to move from being pop-py to sexy."

Bieber's backside-baring picture is also coming on the heels of the pictures that show him smoking pot while hanging out at a hotel party. The pictures were taken just a day after a paparrazo died in a car crash reporting that he'd spotted Bieber getting high in a car. The 18-year-old has sure come a long way since debuting on the charts with "One Time."

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