MUMBAI, Oct 12: The ‘Shahenshah of Bollywood’, Amitabh Bachchan, celebrated his 75th birthday today and on his very special day, he took to Twitter and posted a special message for his loved ones and fans.

In a series of tweets, the 75-year-old actor expressed gratitude and thanked his fans for all their love, support and wishes. Celebrating Amitabh Bachchan's 75th Birthday

In one of the tweets, he wrote, "The affection of greeting for the 75th, displayed over several mediums, overwhelms me. A thank you shall never be enough."

Birthday messages were pouring in for Amitabh Bachchan in all shapes and forms on Twitter, with celebrities like South superstar Nagarjuna, cricketers Sourav Ganguly and Virender Sehwag, besides filmmaker Karan Johar, actress Sonali Bendre, actor Ayushmann Khurrana and many others, wishing the megastar. 

Born in 1942, the actor has more than 150 feature films to his credit, in addition to many special appearances, songs and even a popular TV show hosting stint.