Khloe Kardashian Reacts to Kylie Jenner and Blac Chyna's ''Best Friend'' Selfie: ''What?! This Is Crazy!''

"Kylie and Blac Chyna?"

Kylie Jenner and Blac Chyna make up on this Sunday's Keeping Up With the Kardashians and Khloe Kardashian thinks it's...