Bollywood actor Ranbir Kapoor and director Imtiaz Ali were spotted club hopping in Delhi Wednesday and sources claim it was part of location hunting for their next film "Rockstar".

"Imtiaz and Ranbir went to F Bar, LAP (actor Arjun Rampal owned club) and then checked out Agni (bar) and Aqua (lounge bar) at The Park hotel, " a well-placed source told.

"They are probably planning to zero in on a club like place for the shooting of their next, " the source added.

While spokesperson of F Bar and The Park didn't comment on the visit, an employee from LAP confirmed the same.

Imtiaz was sporting a jeans and shirt while Ranbir was wearing a jeans, T-shirt and a baseball cap.

Co-produced by Eros International Media Ltd and Shri Ashtavinayak Cine Vision, the movie's story is said to be inspired by the lives of rockstars.