Dia Mirza believes in Hinduism, although she was brought up in a Muslim household. She took the surname "Mirza" from her stepfather, Ahmed Mirza.
Dia Mirza, who appears as "Diya Mirza" in some of her movies, is a model turned Bollywood actress. She was crowned second runner-up in the Miss India beauty contest the same year she won Miss Asia Pacific, which was in 2000.
Dia was born to a German father and a Bengali mother who separated when she was 6 years old. When her father died, her mother remarried a Muslim man named Ahmed Mirza. Dia attended school at Vidyaranya and studied the teachings of Krishnamurti.