'Baar Baar Dekho' promotion went a notch ahead when the movie's lead Katrina Kaif and Siddharth Malhotra led a flash mob on popular track Kala Chashma at a metro station in Jaipur.
The duo was recently in the pink city for promotions of their upcoming romantic flick.
Soon as they started dancing on the recent chartbuster, the local spectators couldn't resist grooving with their favourite stars.
Within no time, it was a flash mob with all making the Kala Chashma signature move.
The 31-year-old actor later tweeted a video of the performance, where they were also seen dancing on some retro vibes.
Meanwhile, citing the popularity of Kala Chashma, the two promised a novel move on the song for every city they visit for promotions.
Helmed by Nitya Mehra, the romantic fiction flick also stars Sayani Gupta, Rajat Kapoor and Sarika in key roles.
It will hit the theatres on September 9.
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