New Delhi, March 1 (ANI): The trailer of much-awaited Shah Rukh Khan starrer 'Fan' is finally out for his die-hard fans. The Bollywood superstar launched the trailer at a special event at Yashraj Studios in Mumbai in the presence of his fans, who were allowed inside the studios for the very first time. King Khan, who plays the role of a doppelganger fan named Gaurav can be seen as an obsessed fan who crosses all the limits to meet his idol and superstar named Aryan Khanna. The first teaser came out early last year followed by the second teaser which was unveiled on actor's 50th birthday. The 'Fan' anthem titled 'Jabra Fan' has already become a rage amongst his fans. The song has also been recorded in six different languages to reach a wider audience. The film directed by Maneesh Sharma is all set to hit the theatres on April 15.