The X Factor Khloe Kardashian and Mario Lopez formally announced as 'The X Factor' co-hosts 10/17/2012 Khloe Kardashian and Mario Lopez's The X Factor additions are now finally official. Read More RELATED NEWS Normani Kordei thanks Nicki Minaj for support after Tiffany Haddish's Fifth Harmony dissMTV VMAs: Camila Cabello, Cardi B and Jennifer Lopez land big winsFifth Harmony announces indefinite hiatus to pursue "solo endeavors" TAGS: The X Factor Keeping Up with the Kardashians Cheryl Cole Simon Cowell Steve Jones Khloe Kardashian Mario Lopez Nicole Scherzinger
