Rihanna to perform with Sting, Mars
The Diamonds singer was rumoured to be set to duet with RnB star Chris Brown at the event, after confirming they had rekindled their romance.
But it has now been announced that she will team up with Sting and Bruno for a performance during the ceremony in Los Angeles on February 10.
So far no details about the collaboration have been released.
Other stars confirmed to perform at the ceremony include Alicia Keys, Maroon 5, Taylor Swift and Ed Sheeran, who will be duetting with Sir Elton John. Justin Timberlake, who has launched his music comeback after focusing on his film career for some time, will also be taking to the stage.
Triple nominee Kelly Clarkson will also perform.