Well, just take a look at how it worked in other such cases, like the Catholic priest scandal. Almost all the victims were able to prove their cases. That's because they could all answer correctly, "who", "when" and "where". Great, now apply that to Trump.
That doesn't answer the question. She said this all happened at his apartment when she was thirteen. So, under what pretense was she there?
When a person decides to start throwing accusations at anybody, she has to at least prove that she had actually met him.
You got people in a picture and you don't know their names, ages or even the circumstances under which they met.
Then, you present that as evidence to support a meme.