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WHAT SHE WORE At Chateau Marmont, Roberts feted Prabal Gurung in a belted blue sheath that she paired with eye-catching accessories, including pyramid Melinda Maria drop earrings and lace-up Sophia Webster heels.

CELEBRITY: Emma Roberts

DESIGNER: Prabal Gurung

TREND: Belts

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Emma Roberts

Emma Roberts caught our eye in Prabal Gurung