too cute! mocha does that all the time. i leave her in my bedroom and not only does she shred it apart, she likes to fluff it around the entire room! it's really cute, but such a hassle to clean.
she's usually so hyper when i come back from work. i usually just stand there and say 'mocha' in a stern voice and she looks at me lovingly, then realizes i'm not very happy, droops her ears, and lets out a whimper, because she knows that mommy isn't pleased. haha.