Duty Free heiress Alexandra von Furstenberg celebrated her 50th birthday with a lavish 'futuristic'-themed party that was attended by her socialite friends and family in Los Angeles on Saturday evening. Alexandra von Furstenberg celebrated her 50th birthday on Saturday with a 'futuristic'-themed party hosted by her husband, conceptual designer Dax Miller Alexandra, who turned 50 on October 3, was joined …
