Dirty preacher's daughter Jessica Simpson is jealous over the romance between ex-boyfriend John Mayer and his new squeeze, dog-faced Cameron Diaz. Jessica, we remember, was with Mayer for months before their relationship literally crumbled before our very eyes. It didn't take long for John to get back on the horse that threw him, but Jessica has remained single - and continues carrying a torch for John, according to her friends.
What, I ask, is the mysterious power of Mayer? Why is Jessica Simpson so smitten with him that, rather than use her
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