How does Kim Kardashian manage to keep a house filled with white furniture and accessories clean while also rearing four small children? Respecting space apparently has a lot to do with it. “Their rooms are really festive and wild,” Kim tells Ellen DeGeneres. “I let them go crazy in the room and the playroom,” the Keeping Up With The Kardashians star says. See what else Kim says about her family, including why North West was photoshopped into the West’s Christmas card photo, in the clip above!