Filmmaker Karan Johar, who considers Alia Bhatt his godchild is elated over the arrival of her baby girl. He took to Instagram to share his happiness hours after Ranbir Kapoor and Alia welcomed their first child. Karan Johar has penned a note to express his happiness on the arrival of Ranbir Kapoor and Alia Bhatt's first child. He called himself a grandfather.