It was only after the birth of baby boy, the couple went onto make an official announcement.
Reena with close friends at the birthday celebrations.
Aamir's son Junaid was also a part of the celebrations.
Birthday celebrations are incomplete without cakes.
Birthday boy Azad Rao Khan at the celebrations.
The baby was born through IVF to a surrogate mother. (PTI)
Aamir Khan, who became a proud father to Azad Rao Khan, celebrated his first birthday in the company of family.
Aamir's first wife Reena and their daughter Ira were also spotted at the celebrations.
Aamir and Kiran had kept the news of becoming parents under the wraps.
Aamir Khan recently celebrated the first birthday of his son Azad Rao Khan.