LOS ANGELES, CA - FEBRUARY 08: Recording artists Common (L) and John Legend perform onstage during The 57th Annual GRAMMY Awards at the STAPLES Center on February 8, 2015 in Los Angeles, California. (Photo by Kevin Winter/WireImage)
LOS ANGELES, CA - FEBRUARY 08: Recording artists Common (L) and John Legend perform onstage during The 57th Annual GRAMMY Awards at the STAPLES Center on February 8, 2015 in Los Angeles, California. (Photo by Kevin Winter/WireImage)