Kevin Federline’s new book “You Thought You Knew” alleges that Britney Spears routinely put her children in danger, and complicates the legacy of the “Free Britney” movement.

The singer's latest missive also notes that she "100 percent" believes that she suffered "brain damage" in the past.

Spears made claims in the past that she was confined to chairs for upwards of eight hours a day during her four-month stay at ...

Britney Spears and Kevin Federline are in an all-out war after the father of her two kids has unearthed sharp claims in his ...

Pop star Britney Spears seemed unbothered by the allegations of her "full-on making out" with another woman as she danced in ...

Britney Spears has responded to the "humiliating" allegations Kevin Federline made in his new memoir about their divorce and ...

Kevin Federline calls ex Britney Spears' post-conservatorship Instagram videos 'erratic' in Us Weekly's exclusive audio ...

In his coming memoir, Britney Spears’ former husband Kevin Federline claims that the pop star exhibited signs of disturbing ...

Britney Spears shared a message about honoring family hours after her ex-husband Kevin Federline detailed his concern over ...

Kevin Federline is sounding the alarm over allegedly concerning behavior involving his ex-wife Britney Spears, with whom he ...

The pop star’s ex-husband Kevin Federline had said in a new book that since her conservatorship ended, “It’s become ...

The Hot 100 chart measures success across genres. Drake has the most No. 1 song debuts in history, followed by Taylor Swift ...