Celebrity | Rihanna Chris Brown, Rihanna's New Duet: 'Nobodies Business' Because grammar is for losers By Evann Gastaldo 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. Read These Next He went to kill a Cape buffalo. Instead, it killed him. 5 soldiers shot at largest Army installation east of the Mississippi. Elon Musk's infamous '5 things' email just got the boot. The Sunshine State is putting its robotic rabbit army to work. See 1 photo Report an error