FIRST LOOK: Britney's 'Womanizer' Video

The pop star shows off three sexy looks – as a waitress, a secretary and herself – in her latest video


A third look has a brunette Spears dressed in leather and serving drinks in an upscale bar. "Womanizer" is the first single off her new album, Circus, which is set to go on sale Dec. 2, the singer's 27th birthday.