"The cast and crew have gotten so close, but I think it’s cool we get to go out on our own terms and do this last season. I think the whole three-year thing is cool and gives a cool framework to end the show on; if we didn’t do this, I think you run the risk of people worrying that we’re running out of stories to tell, but when you do the three-year thing it’s like oh, their lives are totally different now. And it gives it a more interesting starting point too. What little I know about the ending…it’s really awesome. I think fans of the show would be thrilled to hear what they have planned for the ending."
UPDATE: Panic no more! Yahoo has shot down this rumor and confirms that Brie is on board for the new season.