At age 16, she moved to Montreal to study business management, and discovered her passion for cinema after she went with a friend to a theater competition.
[2] In 2003, she made her film debut in El Bandia, which was popular among younger audiences.
She portrayed Rihanna, a sick girl at a mental asylum, in Pégase in 2010, and received her first prize for her performance.
[2] In 2016, Idrissi played Myriam, one of the leading female roles, in Divines, directed by Houda Benyamina.
[4] In a 2019 interview, she stated that she cannot wear a bathing suit to the beach for fear of public harassment from photographers due to her fame.