1.Lady Gaga

1/23

2.Lady Gaga

2/23

3.Lady Gaga

3/23

4.Lady Gaga

4/23

Read our complete review of Lady Gaga's Lollapalooza show here.

5.Gaga's Little Monsters

5/23

6.The Strokes

6/23

7.The Strokes

7/23

8.B.o.B

8/23

9.The Walkmen's Hamilton Leithauser

9/23

10.Jamie Lidell

10/23

11.Neon Trees' Tyler Glenn

11/23

12.Raphael Saadiq

12/23

13.Dirty Projectors

13/23

14.Wavves' Nathan Williams

14/23

15.J. Cole

15/23

16.Mavis Staples

16/23

17.Devo's Mark Mothersbaugh

17/23

18.Foxy Shazam

18/23

19.The Black Keys

19/23

20.Jimmy Cliff

20/23

21.Jukebox the Ghost

21/23

22.Empire of the Sun

22/23

23.Cut Copy Crowd

23/23