2013

JENNIFER LOPEZ, 43

Not many fortysomethings flaunt their curves in flashy bikinis but then there's only one JLo, who takes her anything-but-mellow yellow bikini poolside in Miami. Regular hour and a half workout sessions, five days a week with Maria Kelling, a Tracy Anderson Method trainer, keeps the star in tip-top shape. "She's so dedicated and consistent," Kelling tells PEOPLE.



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