Britney Spears calls claims in Kevin Federline’s memoir ‘extremely hurtful’

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

Britney Spears has responded to her ex-husband Kevin Federline's claims in his upcoming memoir about their marriage, calling his depiction of her extremely hurtful and exhausting".

In You Thought You Knew, Federline details his two-year marriage with Spears and their divorce in 2007, which was followed by a protracted battle over custody of their two sons, Sean Preston and Jayden James.