Diane Ladd is an American actress. She has appeared in over 200 films and television shows. She received three Academy Award nominations for her roles in Alice Doesn't Live Here Anymore (1974), Wild at Heart (1990), and Rambling Rose (1991), the first of which won her a British Academy Film Award. She was also nominated for three Primetime Emmy Awards and four Golden Globe Awards, winning one for her role in the sitcom Alice (1980–1981).

National Lampoon's Christmas Vacation is a 1989 American Christmas comedy film and the third installment in National Lampoon magazine's Vacation film series. Christmas Vacation was directed by Jeremiah S. Chechik, written and co-produced by John Hughes, and starring Chevy Chase, Beverly D'Angelo, and Randy Quaid with supporting roles by Miriam Flynn, William Hickey, Mae Questel, Diane Ladd, John Randolph, E.G. Marshall, Doris Roberts, Juliette Lewis, and Johnny Galecki.