Turning 40 Does Not Necessarily Mean It Is Time to Put Away the Bikini

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.

More Celeb Bikini Fun

PHOTOS: Cutest bikini moms.

PHOTOS: Stars' favorite 2009 bikini styles.

PHOTOS: Full-figured celebrity bikini bodies.

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