Mary J. Blige has just been added to the line up at Sunday’s 52nd Annual Grammy Awards. According organizers, Blige will join Andrea Bocelli for a special performance dedicated to Haiti. Performing “Bridge Over Troubled Water,” Blige and Bocelli join previously announced performers Usher, Beyonce, Lady Gaga, Jennifer Hudson, Celine Dion, Taylor Swift, the Black Eyed Peas, Bon Jovi, Dave Matthews Band, Green Day, Lady Antebellum, Pink, Maxwell, Smokey Robinson and Carrie Underwood. LL Cool J, Ringo Starr, the Jonas Brothers, Kristen Bell, Miley Cyrus, Ke$ha, Jeff Bridges, Ricky Martin, Carlos Santana, and Josh Duhamel will present awards. The 52nd Annual Grammy Awards air Sunday, January 31 on CBS. Stay clicked to Singersroom for continued Grammy coverage !