Series overview: Based on music artist and real-life sisters Madison (17) Gracie (15) Sierra (14) and Olivia (12) , this series is the fictional diary depicted stories behind The Haschak Sisters' everyday life. Book description: Monday Sierra's diary "Today's the day. I can't believe it's already here! It's the first day of my new life, for the next couple of years that is. You see, my sisters Olivia, Gracie, Madison and I never thought our lives would change so much, even after all the fame. But when our career as singers grew more and more, our mom and dad decided it would be better for us to move to Georgia. ... Are we there yet??"