Now open your eyes & Watch this showcking poster of Ranbir Kapoor starrer Rockstar. It is directed by Imtiaz Ali. The poster shows a painting of a guitarist, from behind, performing on stage in front of a large audience. As per the poster, Ranbir has taken a complete rocker look with a long beard and hair rebel mysterious character. The music has been done by Oscar award winning composer A. R. Rahman. Check out here Ranbir Kapoor Rockstar First Look Poster & Photos.