''The Grudge'' holds at No. 1
Sarah Michelle Gellar's scary movie makes $22.4 million over the Halloween weekend
EW reviews four freaky movie trailers
Previews aren't just blood and guts for some fright films
Lauren Bacall: Nicole Kidman's no legend
Still, they're ''fabulous'' friends, says the Hollywood icon, who's made two movies with the younger Aussie star