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The happy couple enjoy the water – and each other – while vacationing in Mexico. Plus: Brad Pitt, Julia Roberts, Janet Jackson and more

IN THE GROOVE photo | Britney Spears

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IN THE GROOVE

Britney Spears – who has been spending time with her kids this week – arrives Thursday at Millennium Dance Complex in North Hollywood ready to shake her booty.

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Credit: Michael Wright/WENN

Published: Friday Feb 29, 2008 | 12:00 PM EST

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