Hair Highlights: A Long Story

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Going for the Gold: Jessica Alba epitomizes Hollywood glamour with super-sexy, shiny waves at the Met Costume Institute Gala.

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Mama Mia: Expecting her first baby via surrogate this summer, Giuliana Rancic looks radiant with her honey-hued, face-framing tresses.

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Great Lengths: Selita Ebanks swaps her short crop for long, sexy tendrils by way of extensions.

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Surf's Up: Not wanting to wait for her mane to grow out, Vanessa Hudgens takes the extensions shortcut to get back to her long, beachy waves.

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Blond Ambition: British social fixture Laura Bailey works the "uptown look" with endless flaxen hair and a ladylike dress.

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Lighten Up: The Descendants star Shailene Woodley is known for her waist-sweeping hair, to which she recently added subtle blond highlights.

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Choosing Sides: Girl of the moment Lana Del Rey channels Veronica Lake with her newly brunette mane pulled to one side.

NEXT ON GLO: Star hairstyles go up and down.