Spielberg is in India to celebrate the success of his film "Lincoln", a co-production between his banner DreamWorks and Anil Ambani's Reliance Entertainment.
After delivering a masterclass for as many as 61 Indian filmmakers here Monday, the maverick Oscar-winner was present at the party, held at the Ambanis' house in Cuffe Parade Tuesday night.
Amitabh, who had anchored Spielberg's interaction with filmmakers, was the first one to walk into the party with his wife Jaya, and daughter-in-law Aishwarya Rai in tow.
Among others who came were Karan Johar, Gauri Khan, Farhan Akhtar, Sridevi, Arjun Rampal, Kamal Haasan, Kajol, Anil Kapoor, Anupam Kher, Subhash Ghai, Suzanne and Hrithik Roshan, Riteish Deshmukh, Genelia D'Souza, Rishi Kapoor, Suniel Shetty and Boman Irani.