Dressed for Halloween, Mickey Mouse poses with actress Nina Dobrev, star of The CW Network TV series "The Vampire Diaries," in front of The Haunted Mansion attraction at the Magic Kingdom park in Lake Buena Vista, Florida. Dobrev was joined by co-stars Kayla Ewell and Candice Accola. Season four of "The Vampire Diaries" premieres on October 11, 2012.