Hey! Sinamika is a 2022 Indian Tamil-language romantic comedy film written by Madhan Karky and directed by Brinda in her directorial debut. The title of the film was taken from a song in O Kadhal Kanmani. Produced by Jio Studios and Global One Studios, the film stars Dulquer Salmaan, Aditi Rao Hydari and Kajal Aggarwal. Featuring music composed by Govind Vasantha and cinematography by Preetha Jayaraman, the venture began production in March 2021. It is an adaptation of the 2008 Argentine film A Boyfriend for My Wife.