Jessica Biel Beauty Evolution

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From her days on Seventh Heaven to her recent nuptials to Justin Timberlake, Jessica Biel has grown up right before our eyes, and we can't get enough of her casual yet classic beauty. Jessica generally sticks to the girl-next-door beauty mantra, but she is always changing up her hair color. To celebrate her birthday, we're taking a look back at her many color combinations from honey blond to jet black.