Love birds Ranbir Kapoor and Alia Bhatt are coming together for the first time in a movie, and it has already got us all excited. The fantasy drama film is being directed by Ayan Mukherji. But do you know that Alia wasn't necessarily Ayan's first choice as the leading lady for his film? Yes, Alia herself revealed that she begged Ayan to cast her opposite Ranbir, whom she always wanted to work with. Alia revealed that the idea for Brahmastra was conceived long back when Ayan had just done Yeh Jawaani Hai Deewani. Alia added, "I wanted to work with him and I have always wanted to work with Ranbir as well. I pleaded to Ayan that please cast me with him."