The funny thing is, I see Ahri as all 3. The first picture matches her lore at the beginning, she was basically seducing people for their life. So it isn't far fetched to see her like that if not even worse. The 2nd really doesn't add much but I just see her more as cute than sexy other than popstar, that one is sexy. The 3rd one is how she is trying to get away from how she was since she is growing a conscious so while she isn't as dimwitted as in the picture. She is trying to be human and not a monster like she was before.
But sadly it all doesn't amount to anything since lore doesn't exist anymore and her ingame quotes don't really say how she wants to be.