Keeping Up with the Kutest Kardashian: Mercy!Meet Kim's new kitten, whose aww-dorableness upstages the reality TV family

BEAUTY SLEEP

Not that Kardashian's kitty needs any extra shut-eye to look this cute. Besides, Mercy is already the reality star's little princess – "Sleeping Beauty," she Tweets – and the perfect bedtime companion. Not that her boyfriend should be jealous: "With me being in Miami [filming Kourtney and Kim Take Miami], Kanye knew I would need some company when he wasn't around, so he surprised me with her," she blogs Tuesday of her four-legged gift.