Chevy Chase, Beverly D'Angelo, and Christie Brinkley in National Lampoon's Vacation (1983)

Chevy Chase in National Lampoon's Christmas Vacation (1989)

Chevy Chase, Randy Quaid, and Miriam Flynn in National Lampoon's Christmas Vacation (1989)

Julia Louis-Dreyfus and Nicholas Guest in National Lampoon's Christmas Vacation (1989)

Chevy Chase and Nicolette Scorsese in National Lampoon's Christmas Vacation (1989)

Nicolette Scorsese in National Lampoon's Christmas Vacation (1989)

Brian Doyle-Murray in National Lampoon's Christmas Vacation (1989)

Chevy Chase, Beverly D'Angelo, Juliette Lewis, E.G. Marshall, and Natalija Nogulich in National Lampoon's Christmas Vacation (1989)

Brian Doyle-Murray and Natalija Nogulich in National Lampoon's Christmas Vacation (1989)

John Epper and Billy Hank Hooker in National Lampoon's Christmas Vacation (1989)

Chevy Chase, Beverly D'Angelo, Juliette Lewis, and Johnny Galecki in National Lampoon's Christmas Vacation (1989)

Chevy Chase and William Hickey in National Lampoon's Christmas Vacation (1989)

Chevy Chase, Beverly D'Angelo, Randy Quaid, Diane Ladd, Doris Roberts, E.G. Marshall, Mae Questel, and John Randolph in National Lampoon's Christmas Vacation (1989)

Doris Roberts at an event for National Lampoon's Christmas Vacation (1989)

Chevy Chase in National Lampoon's Vacation (1983)

National Lampoon's Christmas Vacation (1989)

Chevy Chase, Beverly D'Angelo, Juliette Lewis, Randy Quaid, Brian Doyle-Murray, and Johnny Galecki in National Lampoon's Christmas Vacation (1989)

Chevy Chase, Beverly D'Angelo, Juliette Lewis, Johnny Galecki, and John Randolph in National Lampoon's Christmas Vacation (1989)

Chevy Chase and Mae Questel in National Lampoon's Christmas Vacation (1989)