Halloween Costume Hacks Straight From "Scream 6"'s Costume Designer

If you look closely at the subway scene in "Scream 6," you'll spot two of the scariest little girls ever to appear on screen: the Grady twins from "The Shining." That look simply consists of a "blue short-sleeved minidress with knee socks and Mary Janes," Plewes says. Of course, plenty of fake blood always helps.