Here's the picture:
On Twitter, Karan revealed that the Sufi number will be out this Friday.
Ae Dil Hai Mushkil also stars actress Anushka Sharma, who is the third angle in the film's primary love triangle. Fawad Khan has a special appearance and Shah Rukh Khan, who reportedly plays Aishwarya's husband, has a cameo in the film.
Meanwhile, the Ae Dil Hai Mushkil teaser, which released on August 30, is winning hearts with over 35 million views on YouTube. The film's title track released soon after the teaser.
Ae Dil Hai Mushkil release on Diwali alongside Ajay Devgn's Shivaay.