Bollywood actor Sidharth Malhotra has unveiled the first look of the song titled 'Kala Chashma' from his upcoming film 'Baar Baar Dekho' co-starring Katrina Kaif.

As soon as the photo was revealed, #KalaChashma and #BaarBaarDekho started trending on Twitter.

The song will be out on July 27.

Sidharth and Katrina, who will be seen sharing screen space for the first time in 'Baar Baar Dekho', have wrapped up shooting for the film.

Sidharth Malhotra said in an earlier interview that his character in the film 'Baar Baar Dekho' ages from 18 to 60, but it is not a time travel or a science fiction story.

Directed by Nitya Mehra, 'Baar Baar Dekho' is slated for release on September 9.