Celebrity Western WearRegina Cassandra Regina Cassandra in Sashi Vangapally at SIIMA Awards 2017 By Priyanka Manohar - Jul 1, 2017 Regina Cassandra attended day 1 of SIIMA Awards wearing a red embroidered gown by Sashi Vangapally. She completed her look with a pair of white stone earrings and side swept curls!