Actor Aamir Khan, during an appearance on 'Kaun Banega Crorepati Season 16', said when he was young, veteran actor Amitabh Bachchan was a superstar and now that he's old, he is still a superstar. Aamir was seen dancing to Amitabh's iconic song 'Jumma Chumma De De' and was later joined by his son and actor Junaid.