Hair's the Scoop

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"Transformers: Revenge of the Fallen" star Isabel Lucas models a look that's been causing controversy since Gisele first made it her signature back in 1999.

Personally, I find partial highlights to be quite flattering, but only when they're tone-on-tone. Anything that appears too synthetic— like blonde streaks on a brunette— risks looking unkept. (As opposed to "sun-kissed.")