07/06/2009 at 01:00 AM EDT
"Being pregnant, you have to be in touch with your own body," says Richie, 27, who embraced an organic diet and has been attending regular Pilates classes to stay toned.
In L.A. on June 4.
The first-time mom-to-be, 40, goes to trainer Gregg Miele for an hour of "totally high energy" circuit training three days a week and has banned processed food. "I eat superclean," she says.
In L.A. on May 16.
SARAH MICHELLE GELLAR
The actress, 32, does 55-minute Pilates sessions up to three times a week "to maintain her level of fitness," says trainer Alycea Ungaro. "She's taking care of herself."
In L.A. on June 10.
Pregnant with her fourth child, the model, 36, says that this time, "I'm getting bigger faster." And with three kids at home leaving little time for the gym, she instead tries "to stay away from carbohydrates."
At the CFDA Fashion Awards in N.Y.C. on June 15.
EASY CELEB DIET TIPS!
STICK TO ONE DRINK
indulges in cocktails like lychee martinis—but stops at one.
CHOOSE HEALTHY TREATS
When Brooke Shields
wants a chocolate fix, she picks the nutrient-packed dark kind.
SIP HERBAL TEA
To resist cravings, Naomi Campbell
reaches for a mug of mint or lemon tea.