Well, if one is going to be a monster, one might as well be an award-winning, critically-praised, nightmare-inducing one.
The non-clapping clap isn't a recent development.
Here she is a few years ago.
When asked about it, she has explained that sometimes the jewelry she is given by designers is really heavy, big, or expensive and she worries about damaging it. #KidmanProblems
Once she was done with that, she got on Twitter and sassed us all.