Celebrity kids don't stay little forever. Can you believe Meryl Streep, Kevin Costner, and Charlie Sheen have children that are already in their 30s? They sure grow up fast!
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Click through the gallery to see which celebrity kids are already in their 30s.
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Kevin Costner's daughter Annie is 32 and Lily is 30.
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Christie Brinkley and Billy Joel's daughter Alexa Ray is 30.
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Melanie Griffith and Steven Bauer's son Alexander is 31.
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Jane Seymour's daughter Katherine Flynn is 34.
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Dustin Hoffman's son Jake is 35.
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Charlie Sheen's daughter Cassandra Jade Estevez is 31.
She often got to hang out with her famous auntie, Paula Abdul.
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Willem Dafoe's son Jake is 34.
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Danny DeVito and Rhea Perlman's daughter Lucy is 33.
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Sting and Trudie Styler's daughter Mickey Sumner is 33.
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Olivia Newton-John's daughter Chloe Rose Lattanzi is 30.
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Samuel L. Jackson's daughter Zoe is 34.
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Meryl Streep's daughter Grace Gummer is 30.
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