To unlock these clothing lines, go to the small laptop near the Computers in the Bratz Office and type them in.

Effect - Code

Passion 4 Fashion Clothing Line - Enter ANGELZ as a code .
Sweetz Clothing Line - Enter SWEETZ as a code.
Feelin' Pretty Clothing Line - Enter PRETTY as a code .
High School Clothing Line - Enter SCHOOL as a code.
Hollywood line - Enter MOVIES as a code.