While she is considered a bindaas babe, Kangna Ranaut recalls that she was nervous as hell while working with Ajay Devgn in Once Upon A Time In Mumbai.

"There's an intensely romantic scene where I realise I am madly in love with him and he's my destiny.

While Ajay expressed his emotions through his intense, large expressive eyes, I felt challenged as mine are not that expressive. He doesn't even have to try hard. Then it becomes a challenge for you to perform with him.