Megastar Amitabh Bachchan turned 73 on Sunday. The superstar of Bollywood is one of the few yesteryear actors who have not stopped entertaining his audience and continues to be one of the leading actors of the current league as well.

Amitabh, who is an active social media user, shared several posts that his fans posted on his birthday.

From photos to videos, Big B's fans and well wishers have tweeted and shared several beautiful messages for the actor.

Amitabh thanked all his fans by sharing their posts on his Twitter handle.

Not only the followers of Big B, but also several celebrities also wished the senior Bachchan on his birthday.

Son Abhishek Bachchan, Kapil Sharma, Sidharth Malhotra, Anupam Kher and many others wished Big B on his birthday on the social media.

Below are some tweets: