Britney Spears kids have dirty mouths. Britney apparently hasn’t done a very good job raising Jayden and Preston because the two were a flurry of swear words and bad behavior in L.A. last week.  Several spies say the countrified pop star and her tots were a whirlwind of commotion while Brit Brit attempted to score some free goodies at a swag suite.

more Britney after the curse…

As The New York Daily News reports:

Last week, Sean Preston, 3, and Jayden James, 2, shocked guests by repeatedly yelling, “Oh s-t!” “We were all surprised by their potty mouths, but it was actually pretty funny,” one onlooker acknowledged. How did Britney respond to her sons’ antics? Said the source: “She was too busy picking out freebies to chastise the boys for misbehaving.”

This really doesn’t shock us in the slightest, but we’d harbor a guess it’s K-Fed’s bug-infested mouth that’s done the most damage.

Photos: Bauer Griffin