Mumbai, Aug. 22 -- Imtiaz Ali's film Rockstar is considered one of the best films of his career. This musical romantic drama film released in 2011 achieved tremendous success at the box office and was included in the highest grossing films of the year. While Ranbir Kapoor became the hero of the film, Nargis Fakhri made her Bollywood debut with this film.

However, very few people know that Imtiaz Ali's first choice for this film was Kareena Kapoor. Impressed by Kareena's performance in Jab We Met, Imtiaz had decided to make her the heroine. But this could not be possible. On this, Ranbir Kapoor also said that he wanted to work with Kareena, because she is a very hardworking and dedicated actress. But, due to their brother-sister- like rel...