Full show replay: http://urlmin.com/grammyz Justin Timberlake and Jay-Z perform 55th GRAMMY Awards 2013 Justin Timberlake and Jay-Z perform 55th GRAMMY Awards 2013 Justin Timberlake and Jay-Z perform 55th GRAMMY Awards 2013 Justin Timberlake and Jay-Z perform 55th GRAMMY Awards 2013 Justin Timberlake and Jay-Z perform 55th GRAMMY Awards 2013 Justin Timberlake and Jay-Z perform 55th GRAMMY Awards 2013