Hosseini made her acting debut in 2009 at the age of nine, when she starred as daughter of main characters in Asghar Farhadi's Oscar-winning film A Separation (2011). She won the Silver Bear for Best Actress at the 61st Berlin International Film Festival jointly with Leila Hatami, Sareh Bayat, and Sarina Farhadi as an ensemble for A Separation.
