Her older sisters are international fashion icons and designers of two wildly successful fashion lines, yet Elizabeth Olsen is developing a red carpet style that's all her own.

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The actress, 22, attended the Martha Marcy May Marlene premiere at the London Film Festival on Friday in a blush pink tiered tulle skirt and matching beaded top from Chanel's Spring 2012 Couture collection.

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Surprisingly, Olsen's Hollywood style crushes don't share the same last name as her. "I've always loved Diane Keaton and Katharine Hepburn," she told Us Weekly. "Classic, graceful looks."

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