In "National Lampoon's Vacation" who was the girl in the red Ferrari?

"National Lampoon's Vacation", sometimes referred to as simply "Vacation", is a 1983 American road trip comedy film directed by Harold Ramis starring Chevy Chase as

"Clark Griswold". The movie also stars; Beverly D'Angelo, Imogene Coca, Randy Quaid, John Candy, and Christie Brinkley in her acting debut as "the girl in the red Ferrari". It tells the story of a family that goes on a cross-country trip to an amusement park as hilarious hi-jinks occur along the way.

During the family's travels, they experience numerous mishaps. "Clark" is tantalized on numerous occasions by a beautiful young woman driving a flashy red Ferrari 308 GTS. After an argument with his wife "Ellen", "Clark" eventually meets the Ferrari-driving blonde beauty at a hotel bar and goes skinny-dipping with her in it's pool, but they are discovered by the family before anything intimate happens.

Christie Lee Brinkley, born February 2, 1954, is an American model, actress, and entrepreneur. Brinkley gained worldwide fame with her appearances in Sports Illustrated Swimsuit Issues, ultimately appearing on an unprecedented three consecutive covers in 1979, 1980, and 1981. She spent 25 years as the face of CoverGirl, has appeared on over 500 magazine covers, and has signed contracts with major brands—both fashion and non-fashion.

Christi Brinkley would reprise her role as, "The Girl in the Ferrari" in one of the sequels, "Vegas Vacation".