The X Factor USA was the American version of The X Factor and ran for three seasons on FOX. It was cancelled due to poor ratings.
The show began in 2011. The judges were, Paula Abdul, Cheryl Cole, Simon Cowell, L.A. Reid. It was presented by Steve Jones and Nicole Scherzinger. After a few auditions Cowell decided to axe Cole, so a producer went backstage and told her, Scherzinger (the original host) replaced her. It was won by Melanie Amaro, in the Girls category, Her mentor was Cowell.
The second series of the the show began in 2012. Abdul nor Scherzinger returned to judge to pursue other things and were replaced by Demi Lovato and Britney Spears, Reid and Cowell stayed. The judging panel was Simon Cowell, Demi Lovato, L.A. Reid and Britney Spears. Jones didn't return to present the second series and got replaced by Mario Lopez. The series was won by Tate Stevens in the Over 25's category and was mentored by Reid.
The third and final series began in 2013. Reid nor Spears returned to focus on there new album and were replaced by former X Factor UK judge Kelly Rowland and Paulino Rubio. Lovato and Cowell returned respectively for the second and third series. The judging panel was, Simon Cowell, Demi Lovato, Kelly Rowland and Paulino Rubio. Lopez returned to host the final season of the show. The show was won by duo Alex & Sierra who were mentored by Cowell.