Stars' SUMMER BODY SECRETS!

NOW THAT BIKINI SEASON IS UNDERWAY, FIND OUT HOW THESE FIT CELEBS LOOK THEIR BEST ON THE BEACH.

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HALLE BERRY SWITCH THINGS UP

Diagnosed with type 1 diabetes in her 20s, the 57-year-old adheres to a keto diet and is a monster in the gym. Her trainer, Peter Lee Thomas, suggests surprising your body by varying your fitness routine. "He comes up with new exercises that give me new ways to challenge myself," says Halle, "and keep the workouts fun."

LORI HARVEY KEEP CONSISTENT