London: Teen sensation Justin Bieber has turned into a rapper for a track in Chris Brown`s upcoming album, `New Boy in Detention`.
The 17-year-old singer, who previously worked with Brown on `Next 2 You`, is set to feature on `Ladies Love Me` on the collection of songs, which includes appearances by Wiz Khalifa, Swizz Beatz and Tyga, reported a website.
On the track, Bieber, who appears as his alter-ego Shawty Mane, sings, "Baby I`m your doctor/ I could be your rocker/ swaggin` I`m not bargain`/ but I swear that I could rock ya`/
baby I`m not crazy/ I got swag like Patrick Swayze/ y`know them haters never phase me? that`s not how my momma raised me."
The `Baby` hitmaker took to twitter to inform his fans and wrote, "did a lil something on the upcoming @chrisbrown mixtape.. Ladies love me. then we got crazy on the @asherroth album. #shawtymane (sic)".