Charlize Theron and Noomi Rapace face off against the some extraterrestrial foes in the quasi "Alien" prequel "Prometheus" this weekend -- and look good doing it!
Equipped with flame throwers and skintight spacesuits, the women bring a balance of danger and sex appeal to the sci-fi flick ... and follow in the footsteps of original franchise-starrer Sigourney Weaver.
Of course this is all nothing new.
From "Species" to "Transformers," it seems like the hottest women in film either are aliens ... or are fighting them.
Check out our picks for the sexiest sci-fi sirens of the silver screen!