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Stars' Workout Shout-Outs

Fergie, Kelly Osbourne and more are talking up their favorite fitness tricks and must-do routines

  • KATE WALSH DOES PILATES FOR POSTURE photo | Kate Walsh

Credit: Rob Kim/FilmMagic

Updated: Wednesday Jun 01, 2011 | 01:00 PM EDT By: Alex Apatoff and Katherine Kluznik Rentmeester

KATE WALSH DOES PILATES FOR POSTURE

The TV doctor keeps herself in tip-top shape with "a lot of Pilates," she tells PEOPLE. "I have back stuff, and it strengthens." Other benefits of the core-strengthening routine: "It makes everything contract and get smaller and [improves] posture and all that good stuff!"