Elsa Keslassy International CorrespondentKeshet International (KI) has closed a raft of sales on “Secret Bridesmaids’ Business,” the soapy Australian thriller mini-series originally produced for Australia’s Seven Network.The six-part action-packed series was written by Deirdre Shaw, and stars Abbie Cornish “(Three Billboards Outside Ebbin”) , Katie McGrath” (Supergirl”), Georgina Haig (“Snowpiercer”) and Alexander England (“Little Monsters”).