Taylor Swift new single 'Sweeter Than Fiction' to premiere at TIFF

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The film "One Chance," which will have its premiere at the Toronto International Film Festival, is getting some extra buzz thanks to Taylor Swift. She reportedly was so moved by the movie, which tells the story of "Britain's Got Talent's" Paul Potts, that she decided to write a song for its end credits.

Swift worked with Fun's Jack Antonoff on the track, which is called "Sweeter Than Fiction." The single will be heard for the first time when "One Chance" makes its world premiere on Sept. 6.

According to Daily Mail, Swift could even be convinced to perform after the TIFF gala screening -- and "One Chance's" leading man James Corden might perform with her. Swift is expected to walk the movie's red carpet in Toronto.

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