Updated

Like a fine wine, some bikini bodies only get better with age.

Celebrity news site RadarOnline.com has spotted some serious abs and arms on Hollywood's leading ladies, all they're all 40-and-up.

PHOTOS: Over-40 celebs who can still rock a bikini with the best of them.

Supermodel Cindy Crawford, 43, continues to prove her husband the luckiest man alive with her virtually unchanged figure.

PHOTOS: More hot pics of the ageless Cindy Crawford.

And Nicolette Sheridan is anything but desperate at 45, with a flat stomach and toned arms to compliment her two-piece.

PHOTOS: More hot pics of eternally toned Nicolette Sheridan.

From the blockbuster curves of Kim Catrall to Helen Christensen's untouched supermodel swagger, check out the hottest bathing beauties over 40.

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VIDEO: Sports Illustrated swimsuit model Bar Refaeli unveils her "little black bikini."