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Updated: May 21, 2016, 04:20 PM IST

Watch: 'FAN' CGI reel shows how Shah Rukh Khan transformed into Gaurav Chandna

It is not in a day's work to make the 50-year-old superstar look like a 25-year-old. Shah Rukh Khan starrer Fan", however, did the job brilliantly.

All hail the King! And in this case, the king is the entire CGI team and the Academy award winning make-up artist Greg Cannom.

The Red Chillies VFX, through their YouTube handle, shared the making video of Fan and it has set out to amaze beyond just the fandom.

It shows how the CGI artists have given the structure to the 25-year-old Gaurav who is dangerously obsessed with Aryan Khanna, a superstar. Here's the catch - both the characters were played by Shah Rukh Khan.

And that's not all. This video also shows how the Chroma, or as it is popularly known - the green screen - can be used to construct an entire city!

Check it out here and prepare to be amazed by what technology can do!