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!

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."