Rockstar (Hindi: रॉकस्टार) is an upcoming Hindi film being directed by Imtiaz Ali and starring Ranbir Kapoor in the lead role. Eros International Ltd. will co-produce the film with Shree Ashtavinayak Cine Vision Ltd.^[2] The female lead of the film is Nargis Fakhri.^[3] The film score and soundtrack will be composed by A. R. Rahman.

• Ranbir Kapoor
• Nargis Fakhri
• Shammi Kapoor
• Jaideep Ahlawat - Special appearance^{[citation needed]}
• Aditi Rao
• Moufid Aziz - Character Role
• Shikha Jain

The lead role is played by Ranbir Kapoor, with whom the Eros International worked recently on Anjaana Anjaani. The female lead will be played by Nargis Fakhri. Other cast members include Piyush Mishra and Shammi Kapoor. The shooting began on May 2010 and the film is scheduled to release by mid-2011. The shooting took place at locations across Delhi including, Kotla Mubarakpur, Nizamuddin Auliya Dargah, Greater Kailash, IGI airport, Madangir DDA and Connaught Place, and three-day schedule at the St. Stephen's College, followed by one at the Hindu College, director Imtiaz Ali's alma mater, during the winter break of these colleges.^[4]

The music for the film will be scored by A. R. Rahman replacing the usual associate of Imtiaz Ali, Pritam Chakraborty. The lyrics will be penned by Irshad Kamil. The audio rights has been bought by T-Series.^[5] According to Rahman, "Rockstar is a character driven film and as one can guess from the title, there will be lots of guitar." In brief, the music will have very different vibrations. Neeraj Shridhar and Rahat Fateh Ali Khan will associate with Rahman for the first time through this film. Italian-Canadian singer Natalie Di Luccio has recorded two songs for the film.^[6] A. R. Rahman has now completed background score for the film and the audio is expected to release in August.^[7] Song composition took place mainly in the Kashmir valley.^[8] The climax song of the film will have Ranbir Kapoor performing in front of a live audience. Ranbir had travelled to Chennai and stayed with Rahman for a week in order to "feel the song imbibe and absorb it" so that when he finally performs it, "the song would be an extension of his personality."^[9]