Britney Spears' "Womanizer" Video: Costume Changes And Sauna Time (VIDEO)

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Britney Spears' has released the video for her new song Womanizer.

In the three-minute video, the 26-year-old mother-of-two switches between different looks as she dominates a hapless man. The scenes of domination are interspersed with shots of the Spears naked and writhing in a sauna.

Britney is coming off of a recent triumph at the MTV Music Awards and an upcoming documentary in which she says of herself over the past few years, "What the hell was I thinking?