Photo: Justin Bieber pictured sucking a stripper's breast

Justin Bieber and his friend Khalil Sharieff were pictured sucking a stripper's breast during a recent party.

According to sources with direct knowledge the stripper, who came fully-loaded with giant fake breasts and a classy rainbow-colored Playboy tattoo, was hired to 'perform' for Justin and his pals during a party at an L.A. recording studio.

During the festivities, Justin and Khalil decided to get a taste of the action.. at the same time.. with Justin taking a love-bite out of the left mammary for good measure.

Sources at the party say the stripper looked old enough to be Justin's mother. (maybe that explains the urge to breast feed) see photo below...