An Irani Zoroastrian by birth, Tanaaz was very young when she married Farid Currim. She was 20 when she gave birth to her first daughter Zianne, who stays with her ex-husband Farid Currim. After her divorce, she started acting in serials. In 2006, she met actor Bakhtiyaar Irani, on the set of Fame Gurukul. The duo fell in love and wanted to get married, but it was not permitted by Bakhtiyaar's family because Tannaz is seven years older than Bakhtiyaar. However, Delnaaz and his elder brother, Paurus Irani, helped to convince their parents, and the couple got married in 2007. On 20 March 2008, the couple's first child, a boy, was born. They named him Zeus after the Greek God. On 19 September 2011, Tannaz gave birth to a second girl, Zara Irani.
