More Smoke-And-Mirrors Dancing From Britney Spears In Her "Till The World Ends" Video Preview

If you caught last night's MTV special I Am The Femme Fatale, you saw footage of Britney Spears shooting her upcoming video for "Till The World Ends." Alas, given her recent performances at Rain in Vegas and on Good Morning America—not to mention her "Hold It Against Me" video—we know that the Wigney who was once a commanding force on the dance floor is now more like a naughty child who is occasionally tasered and forced to jiggle around for the cameras.

At any rate, here's 30 seconds of the "Till The World Ends" video (full thing premieres on Wednesday):