[videoembed size="full_width" alignment="center"][/videoembed] Kristen Bell appeared on Ellen recently (to discuss the apparent reveal of "gossip girl"'s true identity, I assume?) (which we're going to talk about soon) (because what), and shared a VERY GOOD anecdote about the time her boyfriend Dax Shepard -- Parenthood's Crosby -- got her a sloth to hang out with on her birthday. Classic Cros. ...