Celebrity / Rihanna Chris Brown, Rihanna's New Duet: 'Nobodies Business' Because grammar is for losers By Evann Gastaldo, Newser Staff Posted Nov 7, 2012 10:49 AM CST Updated Nov 7, 2012 11:00 AM CST Copied Chris Brown, Rihanna's New Duet: 'Nobodies Business' Snippets from Rihanna's upcoming album, including her duet with Chris Brown. (Perez Hilton) Guess who Rihanna's collaborating with on her upcoming album, the appropriately-named Unapologetic? That's right, a certain ex-boyfriend who assaulted her: Chris Brown. Rihanna revealed the collaboration in a handwritten track list she tweeted yesterday, Us reports. The song title is pretty much what you'd expect: "Nobodies Business." The two previously collaborated on two songs earlier this year. Click to see how Brown is coming between Rihanna and BFF Katy Perry. (More Rihanna stories.) See 1 photo Report an error