"Gossip Girl" Taylor Momsen channels the rocker look with her signature sooty eyes and ruffled piecey waves.

Get her look: Blow-dry hair straight with a flat brush. Wrap sections around a curling iron from the chin down. Let the hair cool and run your fingers through the curls to separate waves, then secure with a light hairspray.

Versatility counts, especially if you're always on the go: We love a modern bob with high-wattage shine like Salma Hayek's, which can take you from boardroom meetings to after-hour parties.

Get her look: Make a center part and blow-dry hair straight using a large round brush, rolling the brush under at the ends. Mist with a lightweight shine spray for extra luster and push hair behind the ears.

Selena Gomez's wavy mane is pulled back in an imperfect, messy way that gives her updo that effortlessly elegant finish we love.

Get her look: Curl hair using a curling iron. Divide hair into random sections, twisting and pinning each up with bobby pins. Pull out face-framing pieces and spritz hairspray all over for extra hold.

If you love the feminine appeal of spiral curls, try soft layered waves like Mila Kunis', which are easier to pull off than tighter curls.

Get her look: Blow-dry hair straight, then make a center part. Wrap hair sections around a two-inch curling iron, curling up to the chin. Finish by running fingers through hair to soften curls into waves.

Nicole Richie's large tumbling curls and choppy bangs channel boho-chic and effortless elegance. The face-framing bangs also bring the focus to her beautiful eyes.

Get her look: Apply a curl-activating spray on damp hair and air-dry. When hair is almost completely dry, blowout with a large round brush. Curl sections by wrapping them around a curling iron.