HIGHlarious isn't even a strong enough adjective to describe Betty White here.
It is an absolute delight to watch her go off on Kristen Bell in this video. We could watch it all day. They should make a movie where she makes fun of Kristen Bell the entire time, and they should call it Demeaning Sarah Marshall.
Major props go out to Sigourney Weaver for the wonderful assist. There are few things more intimidating than having the VERY tall Avatar actress putting you in your place.