VIDEO: Kristin Cavallari Talks Hills, Life Without LC

Now that Kristin Cavallari‘s officially steppin’ in for Lauren Conrad, she’s got plenty to say about her new Hills castmates. Hear the Laguna alum tell the MTV News crew who’s given her the warmest welcome (hint, they’re married!), insist she’s not looking to be LC’s “replacement” and explain why Stephanie Pratt might wanna start worrying …

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