My Stepmother Is an Alien is a 1988 American science fiction comedy film directed by Richard Benjamin. It stars Dan Aykroyd, Kim Basinger, Jon Lovitz, and Alyson Hannigan. The film follows the story of Celeste, an extraterrestrial woman who is sent on a secret mission to Earth, after her home planet's gravity is mistakenly disrupted by Steven Mills, a widowed scientist raising his daughter Jessie as a single father. The film was the film debut of Juliette Lewis.

Juliette Lake Lewis is an American actress and singer. She is known for her portrayals of offbeat characters, often in projects with dark themes. Lewis became an "it girl" of American cinema in the early 1990s, appearing in various independent and arthouse films. She has received various accolades, including nominations for an Academy Award, a Golden Globe Award, and two Primetime Emmy Awards.