One DNA test. One shocking truth. One family forever changed. In Family Upheaval, the sixth installment of The Rock Star's Wife series, Cassandra Hardwick thinks she finally has her life under control - until a casual DNA test uncovers a secret that threatens everything she believes about herself and her family. As the truth unravels, Cassandra must confront questions she never imagined asking about her past, her family and the life she's built. With her children growing more independent and her marriage stretched thin by fame and distance, she struggles to protect the people she loves while facing the reality that family can be both a blessing and a mystery. Set in the early 2010s, Family Upheaval is a deeply emotional exploration of identity, motherhood, and the secrets that can shake even the strongest families. For readers who love Abby Jimenez, Colleen Hoover, and Emily Giffin, this installment blends heart, suspense, and self-discovery in a story that proves even the truth can come with consequences.