Her Madgesty's Bro Slimy on His Own

7/29/2008 9:47 AM PDT BY TMZ STAFF
As he left Mark's in WeHo with Madge's former backup dancer Nikki Harris, Madonna's media ho of a bro, Christopher, says the Material Girl didn't ghostwrite a single word of his money-grubbing book. But even though the nasty tell-all is all his doing, the rumors unfortunately ain't hurting his bank account.