Cowell thinks Kardashian is perfect 'X Factor' host

Simon Cowell thinks Khloe Kardashian is the perfect 'X Factor' USA host because she is "unpredictable".

The reality TV judge said he hopes the 28-year-old 'Keeping Up With The Kardashians' star continues to express her outspoken attitude and opinions alongside her co-host Mario Lopez on the show which began it's live stages last night (31.10.12).