Collaboration

Taylor Swift talks her mentoring stint on 'The Voice' -- and a possible collaboration with Pharrell.

Well, it looks like Justin Bieber is stepping up his music career by rapping in a feature spot on Chris Brown‘s upcoming mixtape, ‘Boy in Detention.’ Earlier this week Bieber tweeted about his new hip-hop skills. “Did a lil something on the upcoming @chrisbrown mixtape.. Ladies love me. then we got crazy on the @asherroth album. #shawtymane.” What exactly does “#shawtymane” mean? It’s the teenage