whats with the close up of the crotch?

At the end of the movie, after the star fell on the ground, the crowd gasps, the star gasps, and then there is a close up of the star's crotch. I did not get this shot at all. I didn't see anything unusual in this shot that would cause a gasp, but the way it was filmed implied that the gasp was specifically in reference to this shot and not the previous material.

Any explanations?


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