Who's That Girl? is a captivating novel written by bestselling author X. It tells the story of Emma, a young woman who wakes up one morning to find herself in the body of a famous celebrity. As she navigates through the challenges of living someone else's life, Emma discovers the true meaning of identity, love, and self-acceptance. With its engaging plot and relatable characters, Who's That Girl? takes readers on a rollercoaster ride of emotions, making it a must-read for fans of contemporary fiction.