Amitabh Bachchan is celebrating his 81st birthday today (October 11). On this occasion, celebrities and fans are sending out wishes to the superstar. However, the special wish came from his son Abhishek Bachchan.

Abhishek shared a picture from a photoshoot with his father and wrote, "My idol, my hero, my inspiration and my best friend! Happy 81st birthday, Pa. Love you and always got your back."