As Britney Spears’ personality grows increasingly erratic — many believe the troubled pop singer suffers from bi-polar disorder — ex-husband Kevin Federline is worried that their sons, Sean Preston and Jayden James, will inherit their mother’s illness. “You can’t watch Britney act the way she does and not be afraid that her kids have inherited her ‘crazy gene,’ ” says a pal. While the kids have started to copy some of their mom’s bad habits, Kevin is determined to make their lives as normal as possible…
Pop Hustle
