KATHERINE HEIGL

Born: November 24, 1978
Washington D.C.

This dazzling blonde has been saving lives on "Grey's Anatomy," but she caught Young Hollywood's eye when she got Knocked Up and tried on 27 Dresses in 2007. If you go back even further you'll see her in the tropical paradise-set comedy My Father the Hero or fighting terrorists as Steven Seagal's daughter in Under Siege 2: Dark Territory. Yes, that was her. She's grown up, huh?

Previously named AskMen.com's Most Desirable Woman, this gorgeous star is leaving viewers around the globe wanting more and more! After tying the knot with musician Josh Kelley, Heigl has been enjoying married life and her success as one of America's favorite on-screen doctors.

In 2007, Katherin Heigl was awarded an Emmy for Best Supporting Actress for her role as the lovely Dr. Izzie Stevens. Among other things, this starlet is using her fame for great causes, as she has been a strong advocate for women's rights for many years! Beauty, brains, and a quick wit, what's not to love about her?

FUN FACTS:

• She has played the role of three different people named Isabel in her career thus far!

• Her first acting job was in a Cheerios Cereal commercial.

• Katherine used to play the cello in high school.