Khloe Kardashian not returning to "The X Factor" TV personalities Khloe Kardashian Odom, left, and Mario Lopez attend Fox's "The X Factor" season finale news conference at CBS Televison City on Dec. 17, 2012, in Los Angeles. / Jason Merritt/Getty Images Khloe Kardashian is out at "The X Factor." Fox made the announcement Monday, confirming previous rumors about the reality star's status with the show. Khloe Kardashian will not be returning to co-host 'The X-Factor.' We really enjoyed working with her and wish her all the best in her future endeavors," the network said in a statement, according to Variety. Both Mario Lopez and Kardashian were named co-hosts for the second season of "The X Factor." Lopez will stay with the show, as will judges Simon Cowell and Demi Lovato. I'm thrilled Mario is back for season 3 of 'The X-Factor.' Hosting a live show and keeping the judges -- especially Demi -- in line, is not an easy job, but Mario is a pro and we are glad he's coming back," Cowell said in a statement. Lopez also announced the news on Twitter: Britney Spears and L.A. Reid previously announced they were departing the show. No replacements for them have yet been announced.