What is the worst case of attention-seeking you've ever seen?

Late but, in my first year of college I was in some bullshit required writing class. Very relaxed and easy. One day we were talking about what art entails. Kids were saying drawing painting sculpting and one person said music is art. Sure, music can be seen as art no one has a problem but this one girl who audibly scoffed for the entire class to hear, then spent the next 15 min arguing her point. She revealed she was a "real" artist and showed people doodles and drawings she had with her. People were just arguing against her because she was being a stuck up bitch about it. Whatever, the class ended and the next class, before the professor came in this girl had the projector screen pulled down in front of the blackboard where she was underneath it doing something. Nearly the entire class files in watching her under there then she sits down leaving the screen pulled over the board. The professor comes in pulls it up without thinking revealing this detailed marker drawing of a musician playing a sax, crying saying "I'm sorry". Professor goes "oh whose was this?" not knowing, but we were all there watching this girl shuffle around under there. Professor asked again and we're all just watching her and she's just looking straight on. He just erased it and that was it. She pulled stuff like that the whole semester making her opinions known when not asked and just generally drawing attention. If she was ever In a bad mood and got called on she would make a huge deal about how rough she has things. Just insanely annoying to be around her. She obviously wanted us to all see her drawing skills in the board with some fake apology bullshit.

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