Bruno Mars, Rihanna, Sting to Join Forces for Grammys Performance

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Kelly Clarkson also confirmed to perform on Feb. 10; Beyoncé, Prince and others added to presenters list

With the 55th annual Grammy Awards less than a week away, another performance has been confirmed, and it's of the all-star collaboration variety.

Bruno Mars will take the stage along with Rihanna and Sting for a special performance, the Grammys announced Feb. 4. The awards show also added Kelly Clarkson to the list, apparently performing in a separate routine.

As for the Mars-Rihanna-Sting, collab, no details have been given, though Mars has admitted that his smash hit "Locked Out of Heaven" was influenced by Sting and the Police. Could this be what viewers are in store for, with Rihanna somehow fitting in?

The Grammys also announced several presenters for the show: sixteen-time winner and current nominee Beyoncé, nominee Hunter Hayes, Jennifer Lopez, actor Pauley Perrette, and recent Billboard cover star Prince.

Others already confirmed for performances on Grammy night include Taylor Swift, Justin Timberlake, the Black Keys, Maroon 5, and Elton John, along with nominee Ed Sheeran.

The Grammys will air Sunday, Feb. 10 from Los Angeles' Staples Center on CBS from 8 to 11:30 (EST).