Article continues below advertisementRobert Irwin Previously Dated Rorie BuckeySource: @bindiesueirwin/InstagramRobert Irwin and Rorie Buckey dated for more than a year.The spotlight is now on Robert Irwin's relationship status and dating history!The hunky Australian zookeeper has been winning fans' hearts on Dancing With the Stars with his dance partner, Witney Carson. But before dominating American television with his charm and moves, he made headlines when he sparked dating rumors with Heath Ledger's niece Rorie Buckey.