Wow! First I want to say that I'm so sorry that you had to see these pictures. That is just...sad. I know that teen's and young adults party, most of them. Usually just a weekend thing and in her case a vacation thing. BUT weekend and vacation drinking can obviously turn in to every day drinking. I would confront her personally..although since she is a legal adult there is nothing that can really be done sadly. I wish I had an answer for you. I'm so sorry you had to see that and can only imagine how mortified/sad/angry you are. ((((((Hugs)))))))