The reclusive producer-director makes a brief appearance behind Katrina Kaif during the making of the song 'Ishq Shava'.
Speaking about the track, Kaif said: "'Ishq Shava' is a song in the film which is the first song between me and Shah Rukh. It's a very dance-orientated, happy kind of song."
Camera-shy Chopra can be seen behind Kaif wearing a hooded blue jacket and jeans, as they filmed near London's The O2. The industry figure has largely remained out of the public eye throughout his film career.
Khan revealed that he kept warm during the cold London shoot by drinking hot coffee. He also added that he refused to wear extra layers as a show of solidarity with Kaif.
Choreographer Vaibhavi Merchant said that the production team were mesmerised by Khan's performance during the filming.
"Shah Rukh really enjoys his dance a lot more when he sings, and when Shah Rukh sings a song we all stop everything and just watch him singing that song," he revealed.
Footage from the video shows Khan, Kaif and the Yash Raj Films production team as they shot the promo in March and April this year.
Watch Chopra during the making of 'Ishq Shava' below: