The cast of The Vampire Diaries stepped out for a fun and relaxed PaleyFest panel in LA on Saturday night. While Joseph Morgan may be the show's resident villain, his portrayal of Klaus is a favorite of the cast. Hear everyone from Paul Wesley to Kat Graham gush over Joseph. As for Klaus's fate? Hear what executive producer Julie Plec has to say. Plus, see Nina Dobrev and Ian Somerhalder have a playful spat in today's PopSugar Rush.