"21 Guns" by Green Day from '21st Century Breakdown,' available now. Directed by Marc Webb.Watch the best Green Day official videos here:http://www.youtube.com/playlist?list=PL5150F38E402FACE8http://www.greenday.com/http://www.facebook.com/GreenDayhttp://twitter.com/greendayhttp://www.youtube.com/user/greenday (subscribe)http://itunes.apple.com/us/artist/green-day/id954266