Britney Spears 'Has Potty Mouth Kids'

Britney Spears allegedly failed to discipline her sons, after they reportedly swore at a celebrity event, it's been claimed.

According to a witness, Sean Preston and Jayden James were shouting "oh s***", but the singer was apparently too busy checking out the goodie bags to tell off her two and three year old sons.

"She was too busy picking out freebies to chastise the boys for misbehaving," the insider told the New York Daily News. "We were all surprised by their potty mouths, but it was actually pretty funny."

Previously, Britney has mentioned that her sons had been picking up bad language, but blamed it on ex husband Kevin Federline.