'X Factor': Mario Lopez to Return as Host, Khloe Kardashian Out

'X Factor': Mario Lopez to Return as Host, Khloe Kardashian Out   Follow @THR on Twitter | Like us on Facebook | Send to a Friend  © 2013 The Hollywood Reporter 5700 Wilshire Blvd. Los Angeles, CA 90069 All rights reserved. Terms of Use | Privacy Policy   unsubscribe from this list | update newsletter preferences |