Mumbai: What happens when the official 'serial kisser' of B-Town and an actress popular for her oomph factor ever since she entered the industry get together? Yes, Emraan Hashmi and Vidya Balan, who star together in Milan Luthria's Dirty Picture are gearing up to set the screen on fire.

According to sources, Vidya will soon enter the long list of heroines Emraan has lip-locked on screen. Apparently, they would not only have a couple of sizzling scenes in the movie, but also an exceedingly intimate and romantic number together.

Getting comfortable

However, since this is the first time the two actors have been cast opposite each other, their director, Milan, is trying to do all he can to eliminate any edginess. It has been learnt that he is first shooting the 'easier' scenes so that they become friendly and comfortable and then film the high-voltage ones.

"Their chemistry needs to be very natural. So Milan decided to schedule the 'sexy' portions for later," says a source.

Apparently, Emraan, who plays a filmmaker in DP, gets attracted to Vidya, who's portraying a character based on southside sex siren, Silk Smitha.

"She has never played such a character before. So she's working hard to make sure that not the slightest awkwardness comes across on screen," says a source associated with the film.

Since they started shooting, the two actors have cultivated a friendly rapport. It seems Emraan is often cracking jokes in-between shots and Vidya loves his quirky sense of humour.

"In the romantic song that will be shot at Ramoji Rao Film City in Hyderabad, they will be required to lock lips to bring out the love and intimacy their characters share," reveals our source, adding that the other kiss features in a scene they will be shooting after the song.

Director Milan Luthria was unavailable for comment.

Vidya, the Serial Kisser?

The movies in which Vidya has locked lips:

- Ishqiya (2010)

- Salaam-e-Ishq (2007)

- Guru (2007)