The ____ show on Earth
15 Images

Oops!... She did it again

Britney Spears performs her opening number, “Circus,” at the Allstate Arena on April 28, 2009 (Photo for the Tribune by Dave Shields)
Britney Spears performs her opening number, “Circus,” at Allstate Arena on April 28, 2009 (Photo for the Tribune by Dave Shields)
Britney Spears performs her opening number, “Circus,” at the Allstate Arena on April 28, 2009 (Photo for the Tribune by Dave Shields)
Britney Spears performs her opening number, “Circus,” at the Allstate Arena on April 28, 2009 (Photo for the Tribune by Dave Shields)
Britney Spears performs her opening number, “Circus,” at the Allstate Arena on April 28, 2009 (Photo for the Tribune by Dave Shields)
Britney Spears performs her song “Piece of Me” at the Allstate Arena on April 28, 2009 (Photo for the Tribune by Dave Shields)
Britney Spears performs her song “Piece of Me” at the Allstate Arena on April 28, 2009 (Photo for the Tribune by Dave Shields)
Britney Spears at the Allstate Arena on April 28, 2009 (Photo for the Tribune by Dave Shields)
Britney Spears at the Allstate Arena on April 28, 2009 (Photo for the Tribune by Dave Shields)
Britney Spears at the Allstate Arena on April 28, 2009 (Photo for the Tribune by Dave Shields)
Britney Spears at the Allstate Arena on April 28, 2009 (Photo for the Tribune by Dave Shields)
Britney Spears at the Allstate Arena on April 28, 2009 (Photo for the Tribune by Dave Shields)
Britney Spears at the Allstate Arena on April 28, 2009 (Photo for the Tribune by Dave Shields)
Britney Spears at the Allstate Arena on April 28, 2009 (Photo for the Tribune by Dave Shields)
Audience members gaze and take photographs, while Britney dances (Photo for the Tribune by Dave Shields)
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