ONCE BRITNEY SPEARS REGROWS HER HAIR--SHE'LL WRITE A TELL ALL NOVEL WITH K-FED (!?), FOR $10 MILLION.

After her latest stint in rehab, she'll claim in the book, that the Paparazzi drove her to depression, hair sheering craziness and as most had feared- to near suicide. Kevin Federline will add his take on the parts of "her" story that actually involve him.