The trailer to Aamir Khan's 'Secret Superstar' has been launched in Mumbai.

Secret Superstar is the story of Insiya, a young girl from a conservative family, with dreams of becoming the biggest singer in the country.

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Unable to reach anywhere due to family pressures, she secretly reaches her audience on YouTube and becomes an Internet sensation.

Aamir Khan, co-producer Kiran Rao, Zaira Wasim (who plays Insiya), director Advait Chandan and Sujay Kutty of Zee Studios were in attendance at the launch.

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Speaking at the launch, Aamir said, “We do not look at the commercial prospects of a film; it only has to appeal to me.

"But yes, we shape the budgets of our movies as per the scale on which they are likely to do business,” he said.

The film is set to be released this Diwali.