Regina Cassandra backless hot stills from SIIMA 2017 will blow your mind right away! Regina Cassandra flaunted her s@xy back at SIIMA 2017 awards event held at Abu Dhabi, Dubai. Many star heroes and heroines attended the event. Regina Cassandra entertained audience with hot backless red dress. Regina Cassandra is looking at her best at SIIMA and she brought great look to red carpet with red dress.