Kristin Cavallari is the star of a new book about her life, written by her, that is due out in 489 days. But did you know she also starred in a film? Per Wikipedia: "She also starred in the straight-to-DVD film, National Lampoon's Van Wilder: Freshman Year, as Kaitlyn. The film was released July 14, 2009, to mixed to negative reviews."

This has been 500 Days of Kristin.

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