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Stars' Workout Shout-Outs
Fergie, Kelly Osbourne and more are talking up their favorite fitness tricks and must-do routines
Credit: Starmax
Updated: Wednesday Jun 01, 2011 | 01:00 PM EDT By: Alex Apatoff and Katherine Kluznik Rentmeester
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KATE'S BUM-BOOSTER
Hudson's secret to looking great in summer shorts? "Squats!" she says. Add to that hours of practice preparing for her role in Nine, and the life-long dancer's legs are perfectly toned and trim.

