October 24, 2010 Photos | Lady Gaga, Soundgarden, Green Day Heat Up Lollapalooza 2010 Edit Delete Tags Autopost Lady Gaga, Soundgarden, Green Day Heat Up Lollapalooza 2010 Related Artists Lady Gaga B.o.B Semi Precious Weapons The Strokes Green Day Source: http://www.mtv.com/photos/?fid=1645314Sara Spraker Sarah Gellman Sarah Michelle Gellar Sarah Mutch Sarah Polley Sarah Shahi