Entertainment 2015 GRAMMY Performers February 6, 2015 / 9:59 AM CST / CBS News 2015 GRAMMY Performers 2015 GRAMMY Performers 2015 GRAMMY Performers Ariana Grande Singer Ariana Grande will perform onstage during the 57th Annual GRAMMY Awards. (Photo by Kevin Winter/Getty Images for CBS Radio Inc.) 2015 GRAMMY Performers 2015 GRAMMY Performers 2015 GRAMMY Performers 2015 GRAMMY Performers 2015 GRAMMY Performers 2015 GRAMMY Performers 2015 GRAMMY Performers 2015 GRAMMY Performers 2015 GRAMMY Performers 2015 GRAMMY Performers 2015 GRAMMY Performers 2015 GRAMMY Performers 2015 GRAMMY Performers 2015 GRAMMY Performers 2015 GRAMMY Performers
