"Junaid is now assisting Rajkumar Hirani in 'PK'. I don't know what are his plans, but my complete support is with him. He is a bright boy. I would be the happiest person if he wants to get into films," Kiran told.
Aamir also has daughter, Ira, from his first wife Reena.
Aamir-Kiran also have a son - Azad Rao Khan who was born Dec 1 in 2011 through IVF to a surrogate mother at a private clinic here. The couple resorted to IVF due to medical complications.
The "Dhobi Ghat" director admits her life has completely changed after Azad's birth.
"Today morning I danced for an hour with him. What better start for a day can I ask for, I feel blessed," she said.
Kiran is releasing director Anand Gandhi's critically acclaimed directorial venture "Ship of Theseus" in association with UTV Motion Pictures in India July 19.