Combustible chemistry abounds as Katherine Heigl and Josh Duhamel spar hilariously inthe romanticdramedy "Life as We Know It" (2009).After twocareer-mindedpeople have a disastrous first date, they are forced to work together as team when their commongoddaughter's parents die in a tragic accident. Both learn theact of self-sacrifice and must acquire patience with each other whenmove in together to raise the child, along the way discovering they had more in common than an initial dislike ofone another. Christina Hendricks, Hayes MacArthur and Jean Smart costar in this often tender romantic comedy directed by Greg Berlanti, veteran of popularTV series"Brothers & Sisters" and "Everwood."