When Sigourney Weaver stripped down to her panties in Alien 1979 , she sent pants rockets into orbit all over the globe.
We've also included some sexy fake pictures so you can see what she might look like in her underwear! She was nominated for a Best Actress Academy Award for portraying Ripley in Aliens.
She is best known for her roles as Lieutenant Ellen Ripley in the Alien film series and as Dana Barrett in the Ghostbusters movies.
She is still one of the very few actresses who has ever been nominated for an Academy Award for Best Actress for her role in a science fiction movie Aliens.
She reprised the role in three sequels, Aliens, Alien 3, and Alien Resurrection.
She lost out to Geena Davis and Jodie Foster respectively, although she received Golden Globes for both roles.