This book tells about the journey of a teenager born at the beginning of the new millennium and recognized as the most important musical sensation of recent years. From the time when she sang only in her own bedroom, to moments of frenzied success on the biggest concert stages in the world. From the first song posted on the internet to a whole set of Grammy Awards and even an Academy Award. Only after passing this path together with Billie Eilish, you can understand how a girl who ignored the laws of show business conquered its steepest peaks. About the Book of the publication "Billie Eilish. Unofficial biography " by Adrian Besley is not just a chronicle of events in the life of a young star, but a deep look at the cultural and social phenomena that accompanied the formation of one of the brightest musical personalities of our time. From her humble beginnings in the bedroom to world scenes, this biography weaves together the story of a teenager who won the hearts of millions, becoming a symbol of a new generation. Besley masterfully reveals Billy's path from the moment she began experimenting with her sound to the heights of the musical Olympus. His description of the journey of a girl who, as a teenager, was able to conquer the industry is impressive. The reader feels all the ups and downs that have accompanied her career. From the first songs to worldwide success and countless awards, Besley shows how important it is to follow your dreams without taking into account all the difficulties. Billie Eilish became not only a musical phenomenon, but also a cultural phenomenon that was able to transform the industry. She introduced new approaches to creating music and visual aesthetics, skillfully combining different styles and genres. The book demonstrates how her unique style and unusual images cause heated discussions in society.