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Girls Getaway In Mexico! Reese Witherspoon, Drew Barrymore And Cameron Diaz Enlist In Bikini Bootcamp

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No husbands or kids allowed!

Reese Witherspoon, Drew Barrymore and Cameron Diaz took time out of their busy schedules and jetted down to Tulum, Mexico this week for a girls-only fitness vacation at the swanky Amansala Resort where they are enlisted in Bikini Bootcamp – and RadarOnline.com has exclusive details about their luxurious retreat.

“They are at the resort for a girls-only getaway,” a source tells RadarOnline.com. “And they are having a blast. No husbands and no kids!”

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The girls are staying at the eco-friendly and totally chic resort, where Demi Moore vacationed over the holidays – but they aren’t spending 12 hours a day lounging on the beach or picking up men!

The longtime friends enlisted in Bikini Bootcamp, where they are getting their fitness on through scheduled activities such as yoga, dance and cardio classes and meditation, and eating healthy and well-balanced meals. They are also indulging in daily massages and spa treatments.

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Drew welcomed her first child with Will Kopelman, Olive, in 2012, while Reese gave birth to her third, Tennessee James, with husband Jim Toth.