Video shows Kristin dating Justin Bobby, while Spencer and Heidi talk babies. By Jocelyn Vena Kristin Cavallari in “The Hills” season five teaser trailer Photo: MTV Kristin Cavallari made a lot of promises that she’d be spicing things up when she joined “The Hills.” And judging by a new teaser out for season five of the show, which premieres on September 29, she was telling the truth
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Kristin Cavallari Turns ‘Hills’ Upside Down In Teaser Trailer
