Britney Spears responds to Kevin Federline's memoir: 'Why is HE SO ANGRY'

Britney Spears complains about Kevin Federline’s memoirBritney Spears is speaking out once again against her ex-husband Kevin Federline, following his recent claims about her and their family ahead of the release of his new memoir You Thought You Knew, which comes out on Oct. 21.In the…