Whitney Houston -- I'm Your Crazy Tonight!

She was talkative, polite and super-friendly -- but for some reason Whitney Houston told our photog that she looked "crazy" while she was rollin' through LaGuardia airport in NY yesterday.

Whitney Houston: Click to watch
Whitney and daughter Bobbi Kristina plowed through the airport with their little doggie, where she joked about her appearance. We thought she looked pretty good.