PLEASE HELP ME! FASHIONISTA'S ONLY!!?

Hello, thanks for clicking. I am writing a series about a single mom who is a fashion designer and has to take care of her ex's daughter who she knows nothing about. Her daughter will be sixteen-seventeen. The mom is a major fashionista although she is still mother like. I need exciting ideas for my sereis. i want it to be like Gossip Girl, Gilmore Girls, and My Hollywod Life. I only want fantastic ideas. Thanks!