I've just finished reading The Sky Is Falling by Sidney. Guess what, when I read the part about Rachel Stevens, what's coming to my mind is that she resembles Julia. Maybe if the novel happened to adapted into movie, they should take Julia as Rachel.
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The airhead turned out to be even more beautiful than Dana had feared. Rachel Stevens was tall and slender, with lustrous, long blond hair, flawless tanned skin, and striking facial features. Dana hated her on sight.(page 26)
...in spite of herself, she began to like Rachel Stevens. She had a warm and charming personality. Unlike most world-class beauties, Rachel seemed to be completely unself-concious about her looks and displayed no ego. She was inteligent and articulate, and when she gave the luncheon order to the waiter in Thai, there was no hint of superiority. How did Jeff ever let this one get away? Dana wondered. (page 29)