Britney Spears sister LIVE news – Jamie Lynn’s new book SLAMMED by popstar on social media over shock ‘knife’ claim

BRITNEY Spears has slammed Jamie Lynn for her “crazy lies” in a new post after her younger sister’s shocking knife claims.

This comes after the iconic pop star’s sibling claimed Britney “locked them in a room with a knife” in a Nightline interview.

The 40-year-old took to Twitter to respond to the claims as she denied the accusations and wrote to Jamie Lynn: “… you’ve stooped to a whole new level of low…”

Britney continued: “So please, please stop with these crazy lies for the Hollywood books. Now and only now I do know only a scum person would make up such things about someone.”

It comes after Jamie Lynn claimed the “erratic” singer once “locked them in a room with a knife” as her “scary behavior spiraled.”

The 30-year-old shared the claims in a interview on Wednesday.

Read our Britney Spears live blog for the latest news and updates…