Recently, top director Rohit Shetty approached south sensation Nayanthara to do an item number for his upcoming romantic comedy, the Shah Rukh Khan-Deepika starrer Chennai Express.

This film about a man’s journey from Mumbai to Rameshwaram and what happens along the way, has strong south presence in its content.

So when director Shetty decided to have a top actress to do an item song, it was Nayanthara's name which cropped up as she has a market in all four south Indian languages.

But the grapevine has it that, Nayan was not interested to make her Bollywood debut with an item number and politely refused. The actress who is busy with five films in hand is one of the busiest stars down south.