"They're two entirely different films. 'Krrish' was about a superhero in the present. 'Love Story 2050' is about a normal guy going into the future. This has never been done before. It gives a lot of performing scope to Harman, and even to me. It's his baby. And I'm doing my first double role. I move into two time spectrums."

Priyanka's styling is a special treat in "Love Story 2050".

"Styling is important. Earlier, I wasn't so finicky about styling, though I was never careless. But I realise looking good is all-important for a leading lady."

She's all praise for her co-star Harman Baweja's professionalism.

"I'm his senior career-wise. But he knows much more about cinema than I do. Don't forget, he has been assisting his dad for some years. He became a producer at 21. He's far more knowledgeable about cinema than I am. In fact, I took a lot of technical advice and learnt about camera angles from Harman."

Right now Priyanka is nervous hell about "Don".

"It's a very different character. To try and step into Zeenat Aman's shoes is scary. I didn't even try to fit into her shoes. I instead made my own shoes. I play a tough chick. Doing all my stunts was fun and challenging. We tried to give a very different look to my character Roma."

She's all praise for Shah Rukh Khan and her director Farhan Akhtar.

"Farhan knew exactly what he wanted, and how to get it. He'd let me say and do what I wanted to. But at the same time he kept a tight check on proceedings. As for Shah Rukh - I've been his fan forever.

"So, you can imagine what it was like working with him. He's one of the most unselfish co-stars I've ever worked with. He makes you so comfortable. He puts the film above everything else. Just watching him at work is a treat. Some of your co-stars can be very selfish on the sets. And that's sad. Shah Rukh realises that the film needs to work before a performance can."