Kangana Ranaut is currently gearing up for her upcoming biopic, Thalaivi, based on the life and times of the beloved actress-turned-politician Jayalalithaa. Kangana has gone out of her way to look the part, going so far as to take hormone pills to put on some weight. 

Now, Kangana's sister Rangoli Chandel has taken to social media to share a behind-the-scenes video of the actress dancing her heart out to a song from Thalaivi. Here's what Rangoli posted: