FILE - This Nov. 19, 2012 file photo shows Rihanna performing at the Kentish Town Forum in London. (Photo by Jon Furniss/Invision/AP, file)
FILE - This Nov. 28, 2012 file photo shows British singer Sting performing during his "Back to Bass" tour, in Beirut, Lebanon. (AP Photo/Hussein Malla)
FILE - This Nov. 7, 2012 file photo shows Bruno Mars performing during the 2012 Victoria's Secret Fashion Show in New York. Sting, Rihanna and Bruno Mars will hit the stage for a special performance at next week's Grammy Awards. The Recording Academy announced Monday, Feb. 4, 2013, that they will perform together at the Feb. 10 awards show. Triple nominee Kelly Clarkson will also take the stage. (Photo by Evan Agostini/Invision/AP)
FILE - This Nov. 19, 2012 file photo shows Rihanna performing at the Kentish Town Forum in London. Sting, Rihanna and Bruno Mars will hit the stage for a special performance at next week's Grammy Awards. The Recording Academy announced Monday, Feb. 4, 2013, that they will perform together at the Feb. 10 awards show. Triple nominee Kelly Clarkson will also take the stage. (Photo by Jon Furniss/Invision/AP, file)
NEW YORK — Sting, Rihanna and Bruno Mars will hit the stage for a special performance at next week’s Grammy Awards. The Recording Academy announced Monday that they will perform together at the Feb. 10 awards show. Triple nominee Kelly Clarkson will also take the …
