Leonardo DiCaprio and Dame Maggie Smith provided a fantastic body language moment during the 2016 Awards of the British Academy of Film and Television Arts. What's particularly fascinating here, is the rapid contrasts of two varieties of tongue juts - with entirely different meanings.
This image was captured during 1:09 in the above video excerpt.
Ms. Smith had not yet processed that the Kiss Cam had just been turned to her and Mr. DiCaprio.
Maggie Smith is displaying a Tight Forward Tongue Jut - which is, much like an infant repelling her creamed corn, is repulsed by what she had just seen - and she's trying to "push it away". Her lips are held tightly together as her tongue pushes out - and almost always this is directed forward.
Note Maggie's face has begun to morph to that of surprise (immediately above image).
If you look carefully at Ms. Smith's eyes, you'll notice her pupils are more widely dilated when her surprise emotion is more fully manifested.
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