Not if she is under 16.
In any event, defamation claims are horrendously expensive and very risky and you would need to be prepared to lose between £10,000 and £20,000 at least if you lost.
I'm sorry, I appreciate that this is not the answer you wanted but there is no point in in me misleading you.
This shows in my inbox as waiting for attention from me but I cannot see that it needs any. Can I assist further?