Alia Bhatt & Varun Dhawan dances at new song launch event.Actor Alia Bhatt on Friday accompanied Varun Dhawan to the song launch event of their film Kalank. The new song from the film, titled First Class, was launched at the Gaiety Galaxy theatre in Mumbai in the presence of fans and the media. Alia put on an impromptu performance on her song, also from Kalank, at the event.

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