In the movie "Threesome". starts at 05:22, not sure but I think that she also gets tickled in another "scene" (not exactly scene, it's the same shot) it looks like ticklish reaction at 05:35.
Anyway, here you go:
http://www.youtube.com/user/ NYCgrl1990#p/u/5/X7ON1bZ3ZD4
Anyway, here you go:
http://www.youtube.com/user/ NYCgrl1990#p/u/5/X7ON1bZ3ZD4