SARA CANNING, KAT GRAHAM, KAYLA EWELL & NINA DOBREV

Sure, their Mystic Falls characters love dressing up in Civil War-era gear or for a good themed party every week, but we've never seen 'em like we did on this Halloween. (L-R: Sara Canning as a Chuckie doll; Kat Graham as a vampire; Kayla Ewell as a pirate; Nina Dobrev as Willy Wonka)