My best friend is addicted to porn...help!!!?

So she is almost 16 and all she does anymore is watch porn, whenever I come over she makes me watch it with her while she fingers herself, she has stopped spending time with her boyfriend cause it's taking over her life, I have even walked in on her in her room moaning, dry humping stuffed animals telling me it fives her a "tingling, or pulsing" in her vag...help!!!!!