Mona Singh (Jassi), who is set to make her big screen debut with Aamir Khan-starrer Three Idiots, says she is excited but also nervous about working with the superstar.

Aamir is so good. Its not even funny. He makes me so nervous. In fact, the thought of working with any of the big stars like Amitabh Bachchan, Aamir and Shah Rukh Khan makes me very nervous. But for now, I am excited, Mona said.

In Three Idiots, which is based on Chetan Bhagats best-selling novel Five Point Someone and is be