In Christopher Ciccone's "Life With My Sister" her, it turns out she's a bit of a control freak
[DOC] [TLE] Warren Beatty, Sean Penn ... and my sister Madonna's great Daddy ... [PAR] Jul 19, 2008 ... Christopher Ciccone has been his sister Madonna's constant confidant ... thing 
about handling the media, you paranoid control freak,' she counters.