Today marks the little known holiday Extraterrestrial Abduction Day. Unsure of how to celebrate? You could watch some episodes of The X-Files or some of your favorite alien flicks like Men In Black or Mars Attacks.
In addition to those fun activities, you can also check out this slideshow of celebrities who believe in aliens. From Tom Cruise to Leona Lewis, some of these stars’ interesting theories on extraterrestrials may surprise you. What are your thoughts on life in outer space?