Forget Jolie's dramatically-posed leg at the Oscars. Her hair doesn't so much scream "bombshell," as whisper it in a sultry voice.

The Up All Night star opts for a blowout with body. It's face-flattering, low-maintenance and looks great on just about everyone.

The Help actress nails the sexy-siren look with a teased half-updo and soft (but not too perfect) waves.

Don't believe that short hair can be sexy? Rent Die Another Day and prepare to be disproved.

Grab your volumizer! Exuberant curls are easy to create (especially if you have natural waves) and oh-so-flirtatious. Hayek's dress doesn't hurt her vibe, either.

If you have spare time and are especially dexterous with a curling iron, finger waves have a 50s pin-up vibe. Consider it retro sexy.

Layers give life and bounce to what would otherwise be a stick-straight blowout. Plus, this lady snagged David Beckham. She's got to have a few tricks up her sleeve.

Traditional updos can wander into no-nonsense, office-ready territory. Let hair air-dry for extra texture and try an über-feminine deep side part.

Pinkett Smith balances a sleek ponytail with thick, blunt-cut bangs. The trick for making a ponytail work for a night out? Keep it low.

Just because it's a simple cut doesn't mean you can't still have fun with texture. Aim for a flapper-esque style with playful curls.

Now that you have 'dos perfect for Friday night, try these easy hair looks for the weekend.

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