From a documentary about the six wives of Henry VIII. Re-enacting the flirty fifth wife of Henry VIII, Catherine Howard gets tickled sitting on the lap of a young gent....behavior that eventually got both their heads chopped off!
Too big to attach, here it is (mp4 only)
http://www64.zippyshare.com/v/4zMzZCSS/file.html
UPDATE: I edited the clip down to just the tickling, didn't realize it had extraneous stuff on it.....