Brittany is pregnant and her and Alvin are trying to keep this whole pregnancy a secret from her friends and school mates. The only people who know is the whole faculty at the school, their Siblings, and Dave. What's going to happen? Stay tune! (An Albrittina Story)

In this story, the chipmunks are human. It's all about party, feelings and growing up. They are 16 years old in this book, and all have the same personalities and counterparts.