As legendary actor Rajinikanth turned 68 today, his friends and fellow celebrities came in unison to extend their warm wishes on his special day. Bollywood actor and his ‘2.0’ co-star, Akshay Kumar took to his official Instagram account to share a birthday wish for ‘Thalaiva’. He wrote, “A dream co-star and a legend in every right! You are an epitome of simplicity and it was an absolute honour to work with you. #HappyBirthdaySuperstar @rajinikanth :).” Sharing several memorable photos with Rajinikanth, Amitabh Bachchan too wished his ‘Geraftaar’ co-star as he wrote, “Happy birthday Rajni .. Dec 12 th .. friend colleague and a sensation ever !!” Nawazuddin Siddiqui, who will next be seen in ‘Petta’ with the superstar, also wished the actor, writing, “Happiest Birthday to the SuperStar @Rajnikanth #Thalaiva.” Kamal Haasan, who is known to be one of the best friends of Rajinikanth instead of just being contemporaries in Tamil film industry, also wished him on Twitter in Tamil. Rajinikanth’s fans also took Twitter to wish the ‘Kaala’ star. On the work front, he was last seen in ‘2.0,’ a sequel of 2010 film ‘Enthiran’, which had released in Hindi as ‘Robot’.