Credit:GettyLocation:Beverly Hills, CACaption:Karissa Shannon and Kristina Shannon are twins who became famous for their work with Playboy and for dating Hugh Hefner.Category:Karissa and Kristina ShannonncG1vNJzZmivp6x7tbTEoaalpKmsvLCwxqiqrKGgY7CwuY6gmKWklafGcLfAq6Csq5FiwKmtzaemp2Wbp7a0wMinmGarmJa7r7vNZqeoq5ViwbCzxK2fnqpf