Katherine's romantic dramedy "Life As We Know It" which co-stars Josh Duhamel, Christina Hendricks, Josh Lucas and Jean Smart received a PG-13 rating from the MPAA today. The Warner Bros. film, which was directed by Greg Berlanti, is set for a nationwide release on October 8th.

In "Life As We Know It", Katherine plays up and coming caterer Holly Berenson with Duhamel portraying promising network sports director, Eric Messer. After a disastrous first date the two decide that the only thing they have in common is their dislike for each other and their love for their goddaughter, Sophie. However, their lives are soon turned upside down when their mutual best friends are killed in an accident and they are named as carers for the deceased's orphaned daughter.