Full show replay: http://urlmin.com/grammyz Sting, Ziggy Marley, Bruno Mars, and Rihanna perform 55th GRAMMY Awards 2013 Sting, Ziggy Marley, Bruno Mars, and Rihanna perform 55th GRAMMY Awards 2013 Sting, Ziggy Marley, Bruno Mars, and Rihanna perform 55th GRAMMY Awards 2013 Sting, Ziggy Marley, Bruno Mars, and Rihanna perform 55th GRAMMY Awards 2013 Sting, Ziggy Marley, Bruno Mars, and Rihanna perform 55th GRAMMY Awards 2013 Sting, Ziggy Marley, Bruno Mars, and Rihanna perform 55th GRAMMY Awards 2013