X Factor USA hosts announced Thu-20-Sep-12 09:18 Share this By Jay-Jay FeeneyKhloe Kardashian and America's Best Dance Crew host Mario Lopez will be the brand new hosts on X Factor USA. Though nothing official has been announced yet, it sounds like these two are pretty much a done deal! You May Also Like Khloe Kardashian admits her parents’ separation Is OJ Simpson the real father of Khloe Kardashian? Khloe Kardashian fired from X-Factor? Become a fan of The Edge on Facebook and on Twitter .