Bollywood Mr.Perfect Aamir Khan tweeted on Sunday: “Thugs Of Hindostan takes a back seat now, as I dive 100% into Secret Superstar from today.” Aamir co-stars with his Dangal co-star Zaira Wasim, who plays the protagonist in Secret Superstar. Thugs Of Hindostan will have a new co-star for Aamir and it is none other than megastar Amitabh Bachchan.