crazy ex gf i guess

I dont even know why my fiancee ex gf still keep my fiancee pic.. Is she trying to make me jealous? I understand both of them have a child tgt but she left my fiancee and bring the child along and didnt let my fiancee see his son for 2 and a half years.. Now when my fiancee happily engaged wif me and gg to have our baby boy soon she wanna stalk and disturb like wth?