Summer's Sexiest Bikini Bodies

Kristin Cavallari

"I work out with my trainer twice a week and we do an hour of light weights. It's a pretty fast-paced workout," the Hills alum (in Santa Monica, Calif. May 8) tells Us. "I do cardio other days for 40 minutes on the treadmill. I try to be healthy as much as possible."


Inside Us Weekly

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