Britney Spears‘ new Barnum & Bailey-themed video for her new album Circus‘ title track has been unleashed. The clip features roaring lions, stilt-walkers and a gorgeous shower of sparks — but how does it stack up to some of Brit’s most iconic clips? Spears played a saucy spy in “Toxic,” simulated a paparazzi-fueled suicide in “Everytime,” dueled Madonna in “Me Against the Music” and sweated up a storm in the uber-sexy “Slave 4 U.” Flip through all 27 of her clips here and take a look back at the pop star’s rise, fall and comeback via her videos:

• Britney Spears: The Complete Video Guide

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