A source close to the development to Times of India that the team will go to LA on September 19 to start work on the prosthetics. Vishnu took to his Twitter to give an update as well on the same. He tweeted, "#ThalaiviUpdate: Kangana has four looks spanning different ages in the film and we have roped in Hollywood Make up artist Jason Collins for Kangana's makeover. #Thalaivi #KanganaRanaut." For the unversed, Jason has done several Hollywood movies including Captain Marvel, Hunger Games and Blade Runner 2049.