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Fergie, Kelly Osbourne and more are talking up their favorite fitness tricks and must-do routines
Credit: Sara Jaye Weiss/Startraks
Updated: Wednesday Jun 01, 2011 | 01:00 PM EDT
By: Alex Apatoff and Katherine Kluznik Rentmeester
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"I just did a great thing called the Power Plate," Sims says of the vibrating workout-boosting machine. "It's only thirty minutes. At the end I was so sore."
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