My DD16 asked to go to a concert with ex SD10. They were really close at times. I had allowed her to go to the concert with stbx dh and sd10. Turns out stepdaughters sister (different father) bought tickets for BM BM boyfriend herself and ex sd. My DD16 wanted to go with them and begged me. It is her favorite band. I let her go. I know this is a mistake and I am panicking. I sent her off with a bunch of crazy people! The ex sd told me off when I saw her before the concert. Now my DD16 is there with these horrible people and I am so worried I am sick.