Sonu and Chan, who will be seen sharing screen space in the Sino-Indian project "Kung Fu Yoga" attended the red carpet for the Film Festival and performed an impromptu dance on the Daler Mehndi-crooned song on the stage.
Sonu shared a video snippet of their dance, which seemed to be a choreographed sequence.
"Impromptu dance moves with my brother Jackie Chan. Shanghai 'Kung Fu Yoga'," read the caption.
Chan seemed comfortable with the steps, and one conjectures he took Bollywood choreographer Farah Khan's training in India for "Kung Fu Yoga" seriously.
The "Dabangg" star also said Chan is the "most humble man".
"With the most humble man I know. Jackie Chan. SIFF 2016 red carpet. 'Kung Fu Yoga'," he tweeted.
"Kung Fu Yoga" is part of the three-film agreement signed between the two countries during Chinese President Xi Jinping's visit to India. The film also stars actress Amyra Dastur. It is reported that the Hindi film stars have performed some adrenalin-pumping action sequences for the movie.
Sonu also shared a photograph of the entire team of the film.
"With the best team Jackie Chan, Renny harlin (Director of 'Cliffhanger', 'Die Hard') and Stanley Tong," he captioned the black and white photograph.
Directed by Stanley Tong, the action comedy film has been shot in Jaipur and Iceland.
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