- Release Date: December 17, 2010
- Run Time: 1 hr 56 min
- Rating: PG-13 - Sexual content and some strong language
- Cast: Reese Witherspoon, Owen Wilson, Paul Rudd
- Director: James L. Brooks
- Genre: Comedy
Synopsis: How Do You Know is a comedy from Academy Award®-winning writer-director James L. Brooks (As Good As It Gets, Broadcast News, Terms of Endearment), starring Reese Witherspoon, Owen Wilson, Paul Rudd and Jack Nicholson.