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Fifty-one and still fit! Heather Locklear stepped out at TNT's 25th anniversary party on Wednesday, looking stunning and slim.

PHOTOS: Famous stars and daughters

Wearing a black crotchet-top dress with studded heels, the "Franklin & Bash" actress looked amazing at the Beverly Hills fete.

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Just recently, the mom to Ava, 15, (her dad is Locklear's rocker ex, Richie Sambora), showed off her rocking bikini body while vacationing with friends.

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What's her slim-down secret? "Weights!" the blond beauty told Chelsea Handler in June. "Stupid, boring weights."

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