[Showbiz Plus] - She's been wowing fans with her extravagant Halloween costumes over the last 24 hours. <br />And on Saturday Kim Kardashian recruited her sister Kourtney in on the fun as the siblings channeled none other than Michael Jackson and Madonna. <br />Kim looked every inch the singer in white dress, fur coat, and hairdo, replicating the pair's famous date at the 1991 Academy Awards.
