Now that there is official proof that the wannabe rapper can write (remember those 'lyrics' found in his dressing room?), Fed-Ex is considering making millions and millions of dollars by publishing an autobiography, detailing the two years he spent married to Britney Spears.

Most of the tabloids say that Federline will target the pop star, revealing issues her fans were never aware of: countless visits to gay bars and gay sexual encounters, cocaine and marijuana abuse, plastic surgeries gone bad and physical problems that were, until now, kept well hidden from the public eye.

Apparently, Kevin will also write about the things that trouble Britney the most, like her weight problem, her sparse hair (which is now deteriorated from too many chemical treatments), her acne and her general sense of insecurity that makes her bite her fingernails to the quick. He will use everything that he has learned about the singer to get some leverage in the divorce, a divorce that is not at all financially convenient for him because of the solid prenuptial agreement he signed before tying the knot.

Plus, if the book thing doesn't work, there's always the four-hour long sex tape he has, for which 'News of the World' reportedly offered him a whopping $50 million. Either way, K-Fed will not go away without a fight, threatening Brit Brit that he must be given sole custody of the children and many millions or else...

'He's either hoping a publisher will pay him big bucks for the book or Britney will cough up more than what's in their prenuptial agreement to keep him from spilling the beans. I think he's willing to air their dirty laundry to get what he wants. He doesn't seem to care where his money comes from, as long as he gets it', a source told 'The National Enquirer'.