Nicole Kidman reveals the secret to her youthful skin Daily Mail Online(01)
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![PEOPLE's Most Beautiful Past Cover Stars Then and Now [PHOTOS]](https://people.com/thmb/RrHfiyiByMiGVfznAGMQBTjOjzQ=/4000x0/filters:no_upscale():max_bytes(150000):strip_icc():focal(383x0:385x2)/sandra-bullock-cover-768-1-da2c2f0886174bbdab1e41db9da42b08.jpg "PEOPLE's Most Beautiful Past Cover Stars Then and Now [PHOTOS]")
