What Jhumka? Lyrics – Arijit Singh & Jonita Gandhi Song What Jhumka? Lyrics sung by Arijit Singh & Jonita Gandhi From Rocky Aur Rani Kii Prem Kahaani. Music is given by Madan Mohan and Pritam and Lyrics written by Amitabh Bhattacharya. Starring Ranveer Singh & Alia Bhatt. Singer Arijit Singh