Nice how the rock-wall leads to the girl. Good composition. The red shirt and blue pants makes her stand out from the dark branches. The tip of the shoes are a nice touch.
One possible improvement is a dramatically wider aperture to make the branches in the background a complete blur, providing even better contrast for the subject and keeping all attention on her. It would also blur the wall in the foreground, but that is not a problem.
Cute shot of a cute child, but nothing in the shot really seems like "leading lines" to me. I guess the branches of the trees could be leading lines, but I find them to be just a very distracting background.