Rihanna, Sting and Bruno Mars to perform together at the Grammys
Talk about a triple threat.
Three huge names in music - Sting, Bruno Mars and Rihanna - are joining forces for a special performance together at the Grammy Awards on Sunday.
In addition to the trio, performers at the awards ceremony include Elton John, Justin Timberlake, Kelly Clarkson, Mumford & Sons, Maroon 5 and Alicia Keys. LL Cool J is hosting the show