Sounds like some people I know

Her behaviour displays problematic identity esteem issues. Her need to create an over-indulgent, narcistic, ego fulfilling image of herself for herself, and others portrays a lack of self-attention and approval, which may lead to other psychological dependencies like drugs, alcohol and/or suicidal tendencies. No accusations here! Just a clear view of someone who needs help overcoming previous (childhood) obstacles relating to a disturbingly low and distorted self image.