Stars Reveal: Their Behind-the-Scenes Shots!

Backstage with Katy and Kim! "Necking" on yhe Vampire Diaries set! See what really happens when the cameras aren't rolling in the stars' Twitter pics!

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LAUREN CONRAD

Whee! The author and fashion designer ended the work day with a splash – literally! "Jumping in a pool! The perfect way to end a 2 day shoot," she Tweeted, adding, "And possibly ruin a sample."