Styling tip: If you go for bangs, keep them on the long side like Jessica's so they highlight your eyes. If they get too long, trim them yourself with this how-to video.
Images taken in Milan, Italy, on Dec. 2, 2008
Images: Getty Images
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Scarlett Johansson
Styling tip: Don't have thick enough hair to wrap a piece around your pony and still have it look full? Fake it by using a clip-in hair piece.
Images taken in Paris on Dec. 9, 2008
Images: Getty Images
Need a style update but don't have time to hit the beauty salon? No worries -- check out these incredibly easy celebrity hairstyles, and you'll look chic no matter how time-crunched you are.
