From their shared Michigan childhood, which Madonna transcended, then whisked Christopher to Manhattan with her in the early eighties, where he slepton her roach-infested floor and danced with her in clubs all over town -- Christopher was with her every step of the way, experiencing her first hand in all her incarnations. The spoiled daddy's girl, the punk drummer, the raunchy Boy Toy, Material Girl, Mrs. Sean Penn, Warren Beatty's glamorous Hollywood paramour, loving mother, Mrs. Guy Ritchie, English grande dame -- Christopher witnessed and understood all of them, as his own life was inexorably entwined with that of his chameleon sister.