Sparks Fly has been met with mixed reviews by critics. Some critics believe the song could turn things around for Swift and praise it for it's upbeat tempo, while others have criticized it for it's pop sound and changes from it's previous performance back in 2007. Prior to its single release, the song debut at number seventeen on the Billboard Hot 100 due to strong digital sales.
The music video for the song features clips taken from various performances of the Speak Now World Tour. It premiered on Wednesday, August 10, 2011. The song is the opening song for the Speak Now World Tour.