Kevin Federline talks to USA TODAY about what he thinks the #FreeBritney movement left out about Britney Spears' behavior and treatment of her sons.

Kevin Federline talks to USA TODAY about what he thinks the #FreeBritney movement left out about Britney Spears' behavior and treatment of her sons.

Britney Spears has responded to allegations ex husband Kevin Federline made in his new memoir about their divorce and custody battle.

Singer disputes account in ex-husband’s memoir You Thought You Knew, in which he says she behaved erratically around their sons