Malayalam Superstar Mammootty, who won the Award for Best Actor for his masterful performance in the horror thriller 'Bramayugam', and actor Dhanush, who won two National Awards -- one each for acting and direction, joined two other National Award winners -- director Rajkumar Periasamy and editor Kalaivanan on the sets of their upcoming film 'Om' to jointly celebrate their National Award wins by cutting a cake together on Sunday. 

Taking to his X timeline to share a picture of all four National Award winners jointly cutting a cake on the sets of their upcoming Tamil film 'Om', Mammootty wrote, "A small celebration of our National Award wins with @dhanushkraja, @Rajkumar_KP and R. Kalaivanan on the sets of #OM. Grateful for all the love and wishes."