LA Reid's country singer beat fellow contestants Carly Rose Sonenclar and Fifth Harmony to win a recording contract.
Stevens said of his win: "First and foremost, I got to thank the man upstairs for taking care of me, my family, all the country music fans, God bless you and thank you so very much for all the votes. This is the best day of my life."
Copyright: Fox Ray MickshawOne Direction and Pitbull also made appearances as special musical guests on the live show on Fox.
> X Factor USA: A look back at Britney and Demi's first season
The X Factor USA will return to Fox for a third season in 2013. Open auditions will take place across the United States in March, April and May.