Her Brother's Band

Cassidy Christopher is best friends with Louis Tomlinson's sister Charlotte. They go to school together and all that blah. Charlotte and Cassidy are also very good friends with Harry's sister Gemma, even through the big age gap.

Drama begins when One Direction come to sing Happy Birthday at their Sweet 16 party.

Louis will not stop flirting with Gemma.

Lottie's ex comes back, making her lie about her relationship status.

And Cass?

Well let's just say that everything she's dreamed for soon becomes her worst night mare.