Photos of Justin Bobby And Kristen Cavallari Filming The Hills

Justin Bobby Offers Kristin Shelter From the Storm

Kristin Cavallari and Justin Bobby got cozy yesterday while filming The Hills in LA before she headed off to dinner in a leather jacket. He provided a little protection from the elements, though he wasn't there to help her when she got soaked after getting hit in the face with a water balloon. Things have been heating up between Kristin and JB on their show — but as Stacie the bartender alluded to us at the MTV VMAs, a third party might soon be raining on Kristin and Justin's parade.

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Image Sources: WENN.com and Bauer-Griffin Online