LOS ANGELES, CA - FEBRUARY 08: Paul McCartney and Rihanna attend The 57th Annual GRAMMY Awards at STAPLES Center on February 8, 2015 in Los Angeles, California. (Photo by Kevin Mazur/WireImage)
LOS ANGELES, CA - FEBRUARY 08: Paul McCartney and Rihanna attend The 57th Annual GRAMMY Awards at STAPLES Center on February 8, 2015 in Los Angeles, California. (Photo by Kevin Mazur/WireImage)