Stepmom opened December 25, 1998 and is rated PG-13 for language and thematic elements.
Ebert says out of four stars it's: **

Isabel.....Julia Roberts
Jackie.....Susan Sarandon
Luke.......Ed Harris
Anna.......Jena Malone
Ben........Liam Aiken

official site:http://www.spe.sony.com/movies/stepmom/index.html