Karan Johar shares goofy BTS video of Alia Bhatt and Ranveer Singh

Karan Johar shares bloopers of the shooting of Jhumka song, then Ranvir shared it on his Insta story. Sharing this, Karan wrote, 'Jhumka, thumka, laugh, bloopers and much more - all right here.#karanjohar#aliabhatt#ranveersingh#whatjhumka#rockyaurranikiipremkahaani