Cameron Diaz's Beach Bod: Other Stars Are Turning 40 and Still Flaunting It!

Cameron Diaz is proving that 40 is the new 30! The star showed off her rocking, hot body in an itty bitty bikini during her holiday vacation in Hawaii over the weekend.

The actress, who turns the big 4-0 later this year, is proof that we truly can get better with age. She told Harper's Bazaar her perspective on aging recently saying, "The more I work on my body at this age, the better it gets. I feel so much more attractive now. A thousand percent. I'm appreciating my skin and my wrinkles and all those things."

The "Charlie's Angels" star is just one of a bunch of once hot, young stars who are set to prove that life doesn't end when you hit 40. Here's a look at a few of the stars hitting this big birthday in 2012:

Sofia Vergara: Nobody is as hot as this Columbian spitfire who will turn 40 in July. From her role on the hit ABC sitcom "Modern Family" to her fashion line at K-Mart, the actress is redefining what it means to be sexy in Hollywood.

Gwyneth Paltrow: Once Hollywood's twenty-something "It" girl, the actress has spent the last few years focused on family. She turned her sights back to work in 2011 with her role in "Country Strong" and her guest starring gig on "GLEE". She will celebrate her big day in September.

Alyssa Milano: She was once the hot vixen on "Melrose Place", but these days the former child star has turned her eyes to motherhood. The actress welcomed her first child, son Milo, in August. He'll be on-hand to help his mom celebrate a new decade in December.

Jenny McCarthy: From the pages of Playboy t! o her ho sting role on MTV, the star once defined sexy for a generation of men. These days she keeps herself busy with raising awareness for autism. She'll be hitting the big milestone in November.

Jennifer Garner: Once upon a time she was wearing skin tight outfits on "Alias", these days the actress opts for comfort as she awaits the arrival of her third child later this year. She'll hit the big 4-0 in April.

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