Blue is a Bollywood film directed by Anthony D'souza, released on 16 October 2009, starring Akshay Kumar, Sanjay Dutt, Lara Dutta and Zayed Khan, with a cameo appearance by Katrina Kaif.It is an action film centered around an underwater treasure. The film was written by American writers Joshua Lurie and Bryan M. Sullivan. Kylie Minogue makes a musical guest appearance in the film. A. R. Rahman composed the music and Resul Pookutty did the sound design. Mukhtar Sahota, a UK-based music producer, was brought in by A. R. Rahman for the lyrics and vocals for the background score. At the time of its release, it broke the record for the most expensive Bollywood film ever produced