In his coming memoir, Britney Spears’ former husband Kevin Federline claims that the pop star exhibited signs of disturbing behaviour during their marriage and says “i t’s time to sound the alarm” about her current antics.

In one excerpt, shared by the The New York Times , Federline, 47, accuses Spears, 43, of scaring their two kids, Sean Preston, now 20, and Jayden James, 19, when they were children.

“They would awaken sometimes at night to find her standing silently in the doorway, watching them sleep — ‘Oh, you’re awake?’ — with a knife in her hand,” her former backup dancer writes in You Thought You Knew , according to outlet . “Then she’d turn around and pad off without explanation.”

A rep for Spears dismissed the claims, telling Us Weekly : “With news from Kevin

See Full Page