Bollywood legend Amitabh Bachchan turns 75 today, and the Twitterverse is abuzz with an outpouring of love for Big B.

Several Bollywood stars, cricketers and fans took to the platform to wish Amitabh Bachchan a very happy birthday.

Ranveer Singh declared the day as 'Amitabh Bachchan Day'.

John Abraham paid tribute to the legend with a picture from the past. 

Renowned producer Mohanlal sent some good wishes along.

Indian Prime Minister Narendra Modi greeted Amitabh Bachchan with wishes and prayers. 

Indian all-rounder Hardik Pandya expressed excitement over sharing his birthday with Big B.

Fans shared some golden pictures of Big B from the bygone days. 

Big B tweeted out his thanks, saying he was overwhelmed by all the love.

To celebrate his 75th birthday, the legendary actor is off to Maldives with his family. Big B's son Abhishek and daughter-in-law Aishwarya Rai along with granddaughter Aaradhya were photographed at the security check of a Mumbai airport on Tuesday morning.

Abhishek and Aishwarya have reportedly planned a week-long celebration and supervised all the arrangements.

With 15 Filmfare Awards, the latest one being in 2016 for Critics Award for Best Actor for 'Piku', Big B is the most nominated performer in any major acting category at Filmfare, with 41 nominations overall.

After a mellow debut with 'Saat Hindustani', his first taste of success came in 1971 with 'Anand'.

With 'Zanjeer' he established his footprint in the industry. 'Namak Haram', 'Abhimaan', 'Majboor', 'Chupke Chupke', 'Mili' and 'Deewaar' followed next, and there was no looking back since.