#HappyBirthdayAB: Big B shares nostalgic pic of 'junior' Bachchan!

As Abhishek Bachchan turned 40, papa Amitabh Bachchan took to social media to wish son a 'Happy Birthday' and also shared an adorable black and white picture of birthday boy along with his sister Shweta. The 'PINK' star, in his caption, revealed how AB rang in his special day as he tweeted, "A Chelsea win .. a Pizza from Daughter's favorite .. a wishes at 12 .. and another year for Abhishek gone by ..#HappyBirthdayAB" Amitabh Bachchan and Jaya have been living separately:Amar Singh makes shocking statements!

T 2524 - A Chelsea win .. a Pizza from Daughter's favorite .. a wishes at 12 .. and another year for Abhishek gone by ..#HappyBirthdayAB pic.twitter.com/N7sPIV2RUn

— Amitabh Bachchan (@SrBachchan) February 4, 2017

To commemorate the occasion, Big B also re-posted on Twitter, a number of wishes from the stars' fan pages.

See Pics: Amitabh Bachchan spends time with his grand children Navya and Agastya!

Talking about his birthday plans, the 'Guru' actor will reportedly have a low key celebration featuring a quiet dinner at home with family and close friends. ANI