Can you give some examples? I looked at a few pages of her walls and didn't see any spam posts - they'd show up if they were recent enough and not deleted. You should really printscreen them next time it happens so that you have evidence. No one's going to report anyone on your word alone, and neither will the F4 do anything.
I'm srry my dear fan, idk how 2 report someone since I just started Fanpop this month. There's still different things I'm trying 2 learn about Fanpop. Hopefully, things will work out 4 u.