Khloe Kardashian and Mario Lopez made their X-Factor debut last night, and it appears that Koko was a bit cold while she took the stage! Mario Lopez couldn’t keep his eyes off his co-star’s, um, display! Khloe got through it like a champ though, and delivered her lines flawlessly, making for a great debut. Of course IFWT has pics of the chilly opener for you, though! Check out the gallery.