LOS ANGELES, CA - FEBRUARY 08: Recording artist Paul McCartney attends The 57th Annual GRAMMY Awards at STAPLES Center on February 8, 2015 in Los Angeles, California. (Photo by Christopher Polk/WireImage)
LOS ANGELES, CA - FEBRUARY 08: Recording artist Paul McCartney attends The 57th Annual GRAMMY Awards at STAPLES Center on February 8, 2015 in Los Angeles, California. (Photo by Christopher Polk/WireImage)