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This black tie look on Diane Kruger brought us right back to dancing along with our grandma's favorite cartoon dame. "Boop-Oop-a-Doop," anyone?!
Sure, Betty Boop had black hair and slightly shorter skirts, but that's where the differences end. The Host star's Nina Ricci dress has the signature sweetheart neckline and wide, corset hips that made the vintage vixen famous.