The red carpet was rolled out for as many as 800 guests at the Reliance Media Work, Film City, Goregaon.
Amitabh, dressed in a black velvet outfit, came with his family - wife Jaya Bachchan, son Abhishek, daughter Shweta, daughter-in-law Aishwarya Rai - and he too walked the red carpet with live orchestra playing hit numbers from his films.
Big B, who turns 70 today (October 11) told the media, "Thanks for coming", while Aishwarya - dressed in a cream dress with golden work - said, "We are so happy that we are all here today celebrating his birthday. Thank you so much."
If yesteryear veterans like Hema Malini, Saira Banu, Waheeda Rehman, Vinod Khanna, Prem Chopra, Kader Khan, Pran, Zeenat Aman, Jeetendra and Asha Parekh came to wish Big B, his co-star of many films like Deewar, Shashi Kumar, was wheeled in to join the revelries.
Neetu and Rishi Kapoor, who have worked with Big B, were also seen walking the red carpet.
Aishwarya and Abhishek played perfect hosts and escorted 89-year old legend Dilip Kumar inside the venue.
Big B's one time competitor Vinod Khanna, who rarely speaks to the media, was in a generous mood and said: "I wish him all the happiness and good luck."
From the current crop, stars like Deepika Padukone, Parineeti Chopra, Anurag Kashyap and his wife Kalki Koechlin, Sonakshi Sinha, Vidya Balan, John Abraham and Arshad Warsi came to wish Big B.
We also spotted Tabu, Madhuri Dixit with her husband Sriram Nene, Mahima Chaudhary, Abbas Mastan, Sudhir Mishra, Anil Kapoor, Subhash Ghai, Alka Yagnik, Boman Irani, R Madhavan, Ameesha Patel, Ajay Devgn-Kajol, Sridevi, Sanjay Dutt, Sunil Shetty, Jackie Shroff, Divya Dutta, Ashutosh Gowariker, Juhi Chawla, Preity Zinta, Vipul shah, Rana Daggubati and Urmila Matondker among the others there.
Shabana Azmi called him an "iconic figure" and added: "I got an opportunity to work with him. He is my favourite."
Vidya, who played Amitabh's mother in Paa, said that "he is an inspiration not only for actors but for everyone".
From down south, Chiranjeevi, Nagarjuna, Ram Charan Teja were present among others.
If glamour was at its high, the big names from political corridor including Nationalist Congress Party (NCP) leader Praful Patel, Shiv Sena executive president Uddhav Thackeray, Samajwadi Party supremo Mulayam Singh Yadav and his son and Uttar Pradesh Chief Minister Akhilesh Yadav gathered here to wish Big B.