Justin Bieber Raps On Chris Brown's Mixtape

Justin Bieber has revealed that he will be taking up rapping on Chris Brown's new mixtape.

The pair have previously worked together on single 'Next To You' and were recently rumoured to be back in the studio together.

Bieber told fans over Twitter: "did a lil something on the upcoming @chrisbrown mixtape.. Ladies love me. then we got crazy on the @asherroth album. #shawtymane".

Biber is currently in the studio working on a 'edgier' sound with Danja, Bangladesh, and Kevin Cossom for the follow-up to 2010's 'My World 2.0'.

Meanwhile, Justin Bieber has recalled the moment he found out about Sean Kingston's jet-ski accident.

Justin Bieber - live photos