Diablo Cody follows up Juno with the high-school horror movie “Jennifer’s Body”

Diablo Cody, 31, who vaulted to stardom as screenwriter of 2007’s “Juno” and winnng an Oscar in the process, is back with the high-school horror movie “Jennifer’s Body.” The movie, which premiered at the Toronto International Film Festival late last week, debuts in theaters on September 18.