2012 Coachella Valley Music & Arts Festival - Day 3

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 15: DJ Calvin Harris performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 15, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 3

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 15: DJ Calvin Harris performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 15, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 3

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 15: DJ Calvin Harris performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 15, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 3

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 15: DJ Calvin Harris performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 15, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 3

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 15: DJ Calvin Harris performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 15, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 3

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 15: DJ Calvin Harris performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 15, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 3

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 15: DJ Calvin Harris performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 15, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: Singer Usher (L) and DJ David Guetta perform onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: Singer Usher (L) and DJ David Guetta perform onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: Singer Usher (L) and DJ David Guetta perform onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: Singer Usher (L) and DJ David Guetta perform onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: Singer Usher (L) and DJ David Guetta perform onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: Singer Usher (L) and DJ David Guetta perform onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: Singer Usher (L) and DJ David Guetta perform onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: Singer Usher (L) and DJ David Guetta perform onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: Singer Usher (L) and DJ David Guetta perform onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)

2012 Coachella Valley Music & Arts Festival - Day 2

(Photo by Mark Davis/Getty Images for Coachella)

INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)