Knocked Up Movie Trailer Starring Katherine Heigl

One of the most buzzed about movies this summer is Knocked Up from the people who brought you 40 Year Old Virgin. It stars the beautiful Katherine Heigl, aka Grey's Anatomy's Izzie Stevens, and Paul Rudd. Here's the preview and a little summary thanks to ifilm.com for ya:

Allison Scott is an up-and-coming entertainment journalist whose 24-year-old life is on the fast track. But it gets seriously derailed when a drunken one-nighter with slacker Ben Stone results in an unwanted pregnancy. Faced with the prospect of going it alone or getting to know the baby's father, Allison decides to give the lovable doof a chance.

(Catherine Hiegl)