Justin Bieber goes topless while partying with P Diddy

Justin Bieber was spotted flaunting his bare shirtless body and boxer briefs at a party in Atlanta.

The 19-year-old singer was seen mingling with Sean P Diddy, who even put an arm around him at the Vanquish Lounge, the Daily Star reported.

The 'Baby' hitmaker was wearing a thick gold chain, backwards cap and baggy jeans, exposing his Calvin Klein boxers.

Other rappers present at Diddy's party included Rick Ross, Bu Thiam and Lil Scrappy.