Watch this new TV Spot for HOW DO YOU KNOW – In Theaters 12/17/10

HOW DO YOU KNOW – in theaters 12/17/10

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.

Follow the film at: