Alia took to Instagram to share a poster of Pathaan featuring all three lead actors.
In the story which she had put up, Alia wrote, "Because love always wins."
Pathaan has created history by recording the highest earning on the opening day with a collection of Rs. 55 crore in the box office on Wednesday.
Pathaan is now the biggest opening Hindi film in the country.
Pathaan, which is directed by Siddharth Anand, was screened as early as 6 am on Wednesday reflecting the craze around 57-year-old Shah Rukh Khan, who had taken a break from films following the dull run of his last project Zero in the box office in 2018.
The Yash Raj Films' production, which is a part of the spy universe, is released in around 100 countries.