Judwaa 2’s first song “Chalti Hai Kya 9 se 12” is out amidst a lot of excitement of the three actors of the film, Varun Dhawan, Jacqueline Fernandez and Taapsee Pannu. Fans were waiting for this song eagerly. They have give contemporary twist to the song. This version composed by Sandeep Shirodkar is sung by Dev Negi and Neha Kakkar Varun's quirky moves are perfect and it will bring all memories back from 90s.