Mama bear sure stepped in quickly.

Kourtney Kardashian rushed back from NYC when she caught word that Scott Disick had introduced their kids to his girlfriend Sofia Richie, and the first thing she did was treat them to a fun outing at the farmer's market. The reality star also gave BFF Larsa Pippen a break by babysitting her daughter for the afternoon.

Some outlets have been reporting that the mother-of-three is furious with her ex for bringing his teen lady love around their children, but we know the truth!

A source tells X17:
    "Scott is no dummy. He ran it by Kourtney that he planned on taking the kids to dinner with Sofia, but he presented it more as a statement than an ask for permission. Kourt wasn't happy, but knew she didn't really have a leg to stand on, as she's already introduced her boyfriend Younes to them. She's all about church and God and letting go of control lately, so she viewed it as an opportunity to practice what she preaches. That said, she hates the idea of Sofia playing stepmom. She's telling friends she's confident Sofia won't be in the picture that much longer."

This has gotta be confusing for the youngsters!