The bubbly 17-year-old inked a deal with Jive Records in conjunction with 19Recordings, the label managed by "Idol" creator Simon Fuller, it was announced Friday.
Her debut album is slated for release in November. She'll offer a taste of the disc with her new single, "Tattoo," to be released to radio stations Aug. 27.
"`American Idol' has truly been a life-altering experience," Sparks said in a statement. "I can't wait to share this next chapter of my story with all the fans that have supported me so far."
Sparks, who hails from Glendale, Ariz., is the youngest winner in the Fox show's six seasons.