Teen heartthrob Shahid Kapur claims that pairing professionally with girlfriend Kareena Kapoor is like working with "any other co-star".

"She was like any other co-star. Beyond a point it was like it has been with other artistes," said Shahid, who stars with Kareena in Abbas-Mastan's "36 China Town" releasing next week.

The couple was earlier seen in Ken Ghosh's "Fida".

In "36 China Town", Shahid plays an aspiring actor who runs away from home to make it big but finds himself trapped in mysterious circumstances.

"I play the character of a struggling actor in the film with loads of dream. I have a fight with my parents when they try to stop me from getting into films. I throw a challenge at them that I will come back only after making it really big in the industry.

"Circumstances are such that I get stuck in a controversy and keep running from place to place. It is about how my character gets into the mystery," Shahid told.

Commenting on the title of the film, he said: "There is a place called China Town in the city and the number of the bungalow where the incident happens is 36. Hence this name because it talks of the address where the crime happens."

Shahid is not at all worried about the length of his role in "36 China Town", which is a multi-starrer.

"If you have a good role and each role is clearly defined, then artistes get their share of exposure in the film. Secondly, how you play your role is also important. The right script is important for any film and not only for multi-starrers. In fact, in such films your own responsibility as the star gets shared and this betters your performance."

Most of the top stars are into bodybuilding, but Shahid says an actor should concentrate more on his performance then biceps.

"I don't think that bodybuilding is absolutely essential to be a lead actor in Hindi films. It is more important to be able to perform. So acting is primary, anything else comes as an additional perk."

The actor also said he is a big fan of his father, Pankaj Kapur, and veteran actor Dilip Kumar.