Hayden Panettiere Debuts Red Hair 'Do!

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Red alert!

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Heroes star Hayden Panettiere ditched her trademark blonde locks for a fiery new look.

The actress, 20, debuted red hair when she departed from Miami's international airport Wednesday with her new beau, Ukrainian boxer Wladimir Klitschko. (She has been vacationing with him in Miami since New Year's Eve.)

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Tell Us: Do you like her more as a redhead?