Britney Debuts "Womanizer" Video

10/11/2008 AT 12:40 AM EDT

Britney Spears is three times a lady when it comes to the new music video for her single, "Womanizer."

In the video, which made its worldwide premiere on ABC's 20/20 and can be viewed on, the pop star shows off her newly buff body and does a little role play – as a wife, a working woman and a sexy waitress.

"Womanizer" is the first single off Spears's upcoming album, Circus, which is due out on Dec. 2 – the pop star's 27th birthday.

Watch the video here.
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