In the song titled 'Shaam Shaandaar', the actor is seen dancing around in a red jacket with baggy pants, with the film's lead actress Alia Bhatt.
Shahid took to Twitter to thank his designer through a post that read: `Special thanks to @kunalrawalvibe for the #shaamshaandaar look. Last minute saving the day vibe.`
The designer, who even designed the "Jab We Met" actor's wedding ensemble, is overwhelmed by the actor's gesture and notes that the ensemble is one of his personal favourites.
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"This is one of my favourite designs from my collection. I found deep oxblood red quite a shaandaar fit," Rawal said in a statement.
Shahid, who grabbed headlines for his marriage with Delhi-girl Mira Rajput earlier this year, will be coming on the silver screen for the first time post his wedding.
"Shaandaar" is a romantic comedy against the backdrop of a destination wedding. Produced by Dharma Productions and Phantom Films, the film is directed by Vikas Bahl, and will release on October 22.