Mary J. Blige attended the 52nd Annual Grammy Awards at the Staples Center in Los Angeles on Sunday (January 31). The singer joined Andrea Bocelli in a performance of ‘Bridge Over Troubled Water’ by Simon & Garfunkel at the awards. The song is available at iTunes, with all proceeds will go to the American Red Cross, benefiting ongoing earthquake relief efforts in Haiti. Watch the performance at YouTube. Check out pictures of Mary at JustJared.