Britney Spears Performs "Circus" in Concert

Britney Spears is back with a vengeance.

Kicking off her big Circus tour Tuesday night in New Orleans, La., she donned provocative outfits and kept fans riveted during her 16-song, 90-minute set.

Check out her performing the title track to her new album below:

Britney Spears: Circus Concert Clip

It's safe to say, from the crowd reactions in this clip as well as the reviews that we've read so far, that while this did not represent a watershed moment in the history of music, Britney sure can put on a show.

Click to enlarge more photos of Britney Spears live ...