EXCLUSIVE: Kim Kardashian and Kourtney Kardashian are all smiles as they hold each other close as Michael Jackson and Madonna throwback for Halloween weekend. The duo was headed to a party in Bel Air last night. Pictured: Kim Kardashian, Kourtney Kardashian, Image: 354150301, License: Rights-managed, Restrictions: -ALLCOUNTRY, Model Release: no, Credit line: Profimedia, Splash