Rihanna has been confirmed to perform at this year's Grammy Awards. The songstress has been on a winning streak as of late, with her enormously catchy single "Diamonds" and her albumUnapologetic hitting #1 (the very first for Rih Rih).

 Rih has performed at the Grammy's before, although sharing the spotlight with Coldplay for "Princess of China" and her own track "We Found Love." 

The 55th Grammy Awards will take place February 10th and you can catch it live at 8 PM EST. Other confirmed guests are Taylor Swift, The Black Keys, fun., and Mumford & Sons.

[via]