I can't remember the name of this series. Please help...

The plot was: the main lead was a girl whose father left her before she was born. Her biological father was a doctor. Then her mother got married with another man who has a band but it doesn't work out very well. The main lead has a best friend who is a boy. Who's parents were good friends with the main leads real parents. His father later had a crush on his crush. The main lead falls for a girl whose mother is not a good person. She (this new girl) one day comes at her house then tell everyone at school that she (the main lead) is a stalker. But after sometime they were together. After sometime the main lead's father returns and try to fix his relationship with his biological daughter . One day her mother finds out that she used to wear tight clothes and it made a big scar on her body because she doesn't like how her body turned out.