It's been rumored for several weeks that former "Laguna Beach" star Kristin Cavallari would replace Lauren Conrad on "The Hills," something that <a href="http://hollywoodinsider.ew.com/2009/05/ew-exclusive-la.html" target="_blank">Entertainment Weekly confirmed</a> in an interview with the 22-year-old who's done pretty much nothing since she left "Laguna" to pursue acting.