Bruno Mars, Rihanna, Sting to perform together at the Grammy Awards Bruno Mars performs at the Victoria's Secret Fashion Show at the Lexington Avenue Armory in New York City on November 7, 2012. UPI/John Angelillo . LOS ANGELES, Feb. 4 (UPI) -- Bruno Mars, Rihanna and Sting are to perform together on the 55th annual Grammy Awards show in Los Angeles Sunday night, CBS announced. Kelly Clarkson also has joined the lineup, which includes previously announced artists Justin Timberlake, Dierks Bentley and Miranda Lambert, The Black Keys, fun., the Lumineers, Mumford & Sons, Taylor Swift, Carrie Underwood, Jack White, Elton John and Ed Sheeran. Beyonce, Hunter Hayes, Jennifer Lopez, Pauley Perrette and Prince are to be presenters at the ceremony at the Staples Center. LL Cool J is to serve as host of the event.