Audrey is a fictional character in the Christmas Vacation movie, played by actress Juliette Lewis. Audrey is the daughter of Clark and Ellen Griswold, and she is known for her sassy personality and sharp wit. She is often at odds with her parents and siblings, but she also has a soft side and a strong sense of family loyalty. Audrey is a strong and independent young woman who isn't afraid to speak her mind and stand up for what she believes in. She is also a bit of a troublemaker, and she often finds herself in the middle of the Griswold family's holiday mishaps.