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Kate Middleton

3. Kate Middleton, 30

Everyone -- including Prince William -- is crazy about the lovely Catherine, Duchess of Cambridge, who turned the big 3-0 in January. She's classy, and not just in the ways required of her royal title!

AskMen's Most Desirable Women Over 30

While females in their 20s definitely have it going on, some might say that a woman hits her prime in her 30s. AskMen.com's 99 Most Desirable Women of 2012 list includes several women over the age of (gasp!) 30. Check out the Top 10!