HBO says the dark drama Big Little Lies is coming back for a second season. The channel said Friday that Nicole Kidman and Reese Witherspoon will again star and serve as executive producers of the Emmy-winning series. The new episodes are based in part on a story by Liane Moriarty, author of the novel Big Little Lies. The drama's first-season writer, David E. Kelly, is returning to write the seven new episodes. Andrea Arnold, whose credits include Transparent, will direct.