Varun Dhawan and Alia Bhatt up the fun quotient at 'Tamma Tamma Again' song launch

Varun Dhawan and Alia Bhatt up the fun quotient at 'Tamma Tamma Again' song launch A few hours since 'Tamma Tamma Again' from 'Badrinath Ki Dulhania' has released, and it is already http://www.bollywoodbubble.com/photos/varun-dhawan-and-alia-bhatt-up-the-fun-quotient-at-tamma-tamma-again-song-launch/