On the occasion of Kangana Ranaut's 34th birthday, the makers of J Jayalalithaa's biopic 'Thalaivi' have dropped the first trailer of the film. The film stars Kangana in the lead and traces the journey of legendary actor-politician Jayalalithaa from films to politics. Directed by AL Vijay, the film will also feature Arvind Swami, Prakash Raj and Bhagyashree among others. 'Thalaivi' will hit the theatres on April 23 this year