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The show delivered one glitzy punch after another. During Circus, Spears dangled from the ceiling, singing as she sat perched on a circular ring. During another song, she is cut in half in a faux magician's act. In yet another, she sits atop a giant umbrella. - Radar

But on Tuesday's opening night of her "Circus" tour at the New Orleans Arena, Britney Spears, the mighty Aphrodite with the troublesome tawdry streak, nonetheless renewed her claim as one of the world's most adept manipulators of the public interest... she apparently has no interest in proving herself as a vocalist; Pink is a better acrobat and her friend Justin Timberlake is a far better dancer. But anyone who thinks her lackluster would do well to remember what she really is: a burlesque performer, a carny's dream born a century or so too late to be fated to ply her art upon the midway, but able to fulfill the spectacle of blond ambition now. - La Times

The Circus show packs 17 song segments and every under-the-big-top cliché except Siegfried & Roy's white tigers into a crowd-pleasing hour and 45 minutes. A comeback, certainly, and a solid one at that! - USA Today

It's truly a sight to behold ... the biggest show under one roof... by the time she said good night with another great one-two wallop ("Womanizer" and a reprise of "Circus"), dressed in a sexy policewoman outfit, she looked exhausted. But happy. And why not? She brought the circus to her hometown, and it was a huge, sold-out, screaming success! - MTV

The show is a non-stop assault on the eyes, a visual extravaganza... from flying sets, smoke, wind, pyro, this concert has it all. But it's biggest asset is definitely Spears herself. - Perez Hilton