Birthday Wishes Galore! Aishwarya Rai shares adorable pic of 'dadaji' Amitabh Bachchan with his granddaughter Aaradhya

A snapshot of Amitabh Bachchan with his grand-daughter Aaradhya, which the superstar's bahu Aishwarya Rai-Bachchan posted on social media, trended all through the day.The picture was posted by Aishwarya on.....