Ranbir Kapoor and Alia Bhatt, expecting their first child together, were filmed in Mumbai on Saturday. The couple, along with Brahmastra director Ayan Mukerji, stepped out to attend the launch event of a song preview from their forthcoming film, Brahmastra, in the city. Mom-to-be Alia looked stunning in a brown dress and Ranbir wore an all-black outfit. The couple posed and smiled together for the cameras.