There’s nothing like a suspenseful thriller to make us dig our nails into our seats and cover our eyes waiting for the horrific reveal. And where there is a terrifying moment on film, there is usually an actress screaming at the serial killer, demon, alien, (name your horror movie nightmare) right along with us. Here are some of our favorite Hollywood scream queens who've left a bloodcurdling mark on the horror genre. Cue scary music. . .