Federline memoir alleges Britney Spears' erratic behavior

Kevin Federline, Britney Spears’s exhusband, has published a memoir this week containing a series of allegations about the pop star’s conduct during and after their marriage, and Spears has publicly rejected the account as false and hurtful. In excerpts from You Thought You Knew, Federline details episodes he says show erratic and dangerous behavior by Spears while their sons were children and in later years; Spears and her representatives have called the book a bid to profit from her and said many of the claims are untrue.

Federline, who was married to Spears from 2004 to 2007 and is the father of Sean Preston, 20, and Jayden James, 19, writes that the boys were sometimes frightened to stay at their mother’s home as teenagers. He says they would wake to find Spears standing at the doorway watching them sleep while holding a knife and that other incidents included physical confrontations, claims of drug and alcohol use while pregnant or breastfeeding, and examples of what he describes as neglectful or unsafe parenting. Federline also revisits early episodes in the relationship, including an alleged encounter with a female backup dancer, and recounts the 2008 psychiatric...