Geeky Good-Looking Celebrities

If there was a standard fashionista's dictionary, Natalie Portman's photograph would be next to the word, "smart." The 29-year-old actress's riveting performances in films including "The Professional," "Star Wars," and "V for Vendetta," aren't the only thing that has us mesmerized.

From the Harvard grad's intelligence to her antipoverty and environmental activism to her all-around beauty, we can't keep our eyes off of Portman (or stop lusting over those thick brows, lush lashes, flawless complexion, and plump pout).

Geeky Good-Looking Celebrities

Justin Timberlake has come a long way since his days as a Mouseketeer on Disney's "The All New Mickey Mouse Club." And while he had teenage girls swooning as the curly, blonde-haired, blue-eyed member of *NSYNC, we always knew that deep down inside of J.T. existed a geek.

With the 29-year-old singer-actor set to bring Sean Parker (co-founder of Napster and former President of Facebook) to life on the big screen this fall in "The Social Network," we sure hope he won't ditch the bow ties, blazers, and dark specs we've grown to love him wear.

Geeky Good-Looking Celebrities

Whether we're falling out of our seats laughing at her hysterical one-liners as Liz Lemon on "30 Rock," Kate Holbrook in "Baby Mama," or Sarah Palin on "Saturday Night Live," Tina Fey makes being a super nerd seem oh, so, attractive!

And while we love a woman who's confident and sexy in a pair of black, horn-rimmed glasses, we have to admit that we enjoy seeing more of the 49-year-old comedian's big, doe eyes.

Geeky Good-Looking Celebrities

With his thick-rimmed specs, tailored suits, and perfectly coiffed curls, "The Mentalist" star Simon Baker obviously can read between the lines when it comes to geek chic.

The 40-year-old Aussie actor has hit the big time in Hollywood with his smart style and boyish good looks -- proving that nerd style is timeless.

Geeky Good-Looking Celebrities

Behind Rosario Dawson's big brown eyes and gorgeous grin, lies a closeted geek. The New York City-bred beauty is a self-professed Trekkie who is also the co-creator of the comic book mini-series "O.C.T.: Occult Crimes Taskforce."

We don't know what's sexier? An actress that speaks Klingon and can hold her own at Comic-Con or a star that can give anyone a run for their money on the red carpet with her natural beauty.

Geeky Good-Looking Celebrities

As one-third of the Jonas Brothers, Joe created a lane for himself by jumping on the geek chic bandwagon with these retro-inspired frames. And while the hot young star's vocal and acting capabilities guarantee him longevity in the industry, he may want to consider a career in modeling.

We can get used to seeing this Jonas Brothers' face in the pages of GQ, Men's Vogue, or Esquire. Can't you?

Geeky Good-Looking Celebrities

Jennifer Connelly's schoolgirl charm in films like "Requiem for a Dream," "A Beautiful Mind," and "The Day The Earth Stood Still" make it very difficult for anyone to keep their eyes off of her.

The 39-year-old actress, who's established a following for her unglamorous, nurturing characters, is also fluent in Italian and French and has studied at Yale and Stanford.

Geeky Good-Looking Celebrities

With Demi Moore as his wife, Ashton Kutcher is proof that geeks really do come out on top.

After getting his start modeling on the runways of Paris and Milan and even donning Calvin Klein underwear, Kutcher unleased his geeky side as Michael Kelso in the sitcom "That '70s Show" -- sparking a series of big and small screen features that propelled his nerdom.

And he's maintained his celeb geek king status by becoming the first Twitter user to scoop up 1 million followers, peddling Nikon Coolpix cameras, and launching an animated web series called "Blah Girls."

Geeky Good-Looking Celebrities

Kristen Bell had us all rediscovering our inner geek when she starred as a teenage detective in the UPN drama "Veronica Mars."

The pint-sized actress is an animal lover and vegetarian who's a huge activist and recently went shoeless on TOMS Shoes One Day Without Shoes to bring awareness to poverty-stricken children who risk infection and disease while working barefoot.

Geeky Good-Looking Celebrities

Unlike his character Vincent Chase on HBO's "Entourage," in reality Adrian Grenier is a lot less flashy and a bit more down to earth.

The 34-year-old actor's geeky good looks and on-camera charm has provided the perfect platform for his eco-living and animal conservation activism. How's that for using what you've got to get where you want?

Geeky Good-Looking Celebrities