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Stars' Workout Shout-Outs

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

HAYDEN HOLDS THE SALT

"A big thing for me is cutting down on my salt intake," says admitted saltaholic Panettiere. "It makes you retain water and so I’ve been told a million times to cut salt out. I just started, so we’ll see what happens!"