October 17, 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=1645314Kelly Brook Kelly Carlson Kelly Clarkson Kelly Hu Kelly Monaco Kelly Ripa