It's hardly exhibitionism, she's wearing a slightly kinky dress, you'd see people in more fetishistic outfits than that walking through Camden Market.
A 'slightly kinky' dress with an inviting phrase such about being the mistress. And a whip I think too.
A provocative pose exposing cleavage asking people if they want to see more of their breasts.
A half naked shoulder picture of them in the bathtub placed as a profile shot over a line up of small girls in party dresses.
And that was all I got to before the account was protected.
This is someone who is supposed to lead the way in teaching girls that porn and sexual objectification can be harmful and how to cope with it. How do they do that when their twitter is all about them being objectified and lowered sexual boundaries.
And yes, exhibitionism is part of it because they are putting it on social media for all to see.