Mast Magan (transl. Captivated heart) is a romantic Hindi song from the 2014 Bollywood film, 2 States. Composed by Shankar–Ehsaan–Loy, the song is sung by Arijit Singh and Chinmayi, with lyrics penned by Amitabh Bhattacharya. The music video of the track features actors Arjun Kapoor and Alia Bhatt.