Meet the Man Behind Katy Perry, Miley Cyrus & Rihanna's Hottest Looks

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Katy Perry, Miley Cyrus and Rihanna have one fashionable person in common: Jeremy Scott. The quirky designer has worked with some of the most fashion-forward -- and forward-thinking -- celebrities around, so ET took a look at the upcoming documentary on music's most-wanted designer.

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Jeremy Scott: The People's Designer chronicles Scott's rise from the bottom to taking the helm as creative director of Moschino. In a trailer for the film, Scott explains that as a child growing up in rural Missouri, his current life seemed unattainable.

"As a kid on a farm in a small town, looking at magazines and seeing high fashion and wanting to be a part of it so badly, I didn't realize the runways were fake and that TV wasn't real," he says. "I don't want to be seen as a facsimile of someone else."

Scott has managed to steer clear of that trap, as Perry will attest. The chart-topping singer is the current face of Moschino, and she wore some of Scott's most buzzed-about pieces during her Emmy-nominated Super Bowl performance.

Perry appears in the documentary along with stars such as Cyrus, Rihanna, Jared Leto, Lady Gaga, Rita Ora, A$AP Rocky and Kelly Osbourne and more, who all sing Scott's praises.

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As wonderful as it is to be lauded by famous friends, Scott’s real hope is that viewers will walk away from the movie with a particular message. "You don't have to have been born with a silver spoon in your mouth, but if you have a dream and you have a vision and you work hard, it is possible [to succeed]," Scott says in the clip. "It is the American dream."

Jeremy Scott: The People's Designer hits theaters September 18.