Sunidhi Chauhan (born Nidhi Chauhan on 14 August 1983) is an Indian playback singer, best known for her Hindi film songs in Bollywood. She has recorded songs for Oriya, Punjabi, Marathi, Kannada, Tamil, Telugu, Malayalam, Bengali, Assamese and Nepali films. which made her a leading singer in India and across the world. She has sung the remix track called "Heartbeat" with Enrique Iglesias.She has established herself as one of the leading playback singers of Bollywood.