" alt="Christopher Ciccone, brother of Madonna and author of Life With My Sister Madonna, poses for a portrait in Los Angeles, Friday, August 1, 2008. Image: AP Photo/Chris Pizzello" width="1200" height="834" data-lazy-srcset="https://entertainment.

Christopher Ciccone, who devoted himself to his older sister Madonna — living with her, warning her of impending arrest and directing her world tours of the early 1990s — but who later, after feeling cast aside, wrote a memoir chronicling experience