Last night... nostalgic feeling all of a sudden, Billie Joe is back! Green Day making a comeback performing at ACL Live | SXSW 2013. #photo #greenday #billiejoe #greenday #billiejoearmstrong #highschoolmemories #unodostres #americanidiot #21guns #sxsw2013 #sxsw #acllive #moodytheater #austintexas