It's a Bikini Wars "survival of the fittest" when Hollywood's hottest cougars take on its' sexiest cubs!

Let's face it: whether they love sinking their claws into men several years their junior, a la Demi Moore, Jennifer Aniston, Courteney Cox and Halle Berry, or cuddling up to older guys like Megan Fox, Scarlett Johansson and Taylor Swift -- these stars are smokin' hot.

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