While Anurag Kashyap's upcoming film 'Bombay Velvet' with Ranbir Kapoor and Anushka Sharma has been making headlines from the day of its inception, his talked about collaboration with Shah Rukh Khan has been in news too.

He recently did a cameo in Shah Rukh Khan's last film 'Happy New Year' and confesses that he is more open to do films with stars now than ever before.

"If I have an idea that requires a star, then I will approach one," he said. When asked about the status of his impending film with SRK, he stated that he is still working hard on it.

"I have a story idea for Shah Rukh. But I need to work on it. I will only approach him when I am ready with it," added Anurag.

He also confessed that his experience of working with current age superstars was amazing."Anushka is brilliant. Ranbir is going to redefine stardom," he concluded.