Rihanna keeps dropping gems from her upcoming album, Unapologetic. Taking to Twitter to announce the record's track list, she half shocked her fans in revealing that her ex Chris Brown would be featured on a song called "Nobodies Business." Eminem will also be on a track called "Numb," with a few other guest appearances on other songs throughout the album.

Rih Rih's new album is reflective of her "unapologetic" attitude about living her life, love included, how she deems fit. The 24-year-old star has reached unprecedented success since her debut, tying Whitney Houston's record of 23 top 10 hits in just seven years, and grown up before the eyes of many of her fans. Her latest single, "Diamonds," has risen on the charts, helping her with her latest feat and creating anticipation for her "Diamonds World Tour" set to launch in March 2013.

Announcing her completion of Unapologetic, the singer tweeted, "Man my album is complete, and I need a f---ing drink and a roll up! It was quite the journey, but it's all part of our story." It's unclear who the "our" includes, but many speculate that it refers to Chris Brown.

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(Photos from left: Michael Buckner/Getty Images, Christopher Polk/Getty Images)