Brandi Glanville -- Kim Richards Is Sober ... But There's Always A Chance For Relapse

Brandi Glanville says her "Housewives" co-star Kim Richards is doing remarkably well with her sobriety ... but it's up to her friends and family to keep it that way.

Brandi is set to appear on this weeks podcast episode of "Allegedly" with Matt Weiss and Theo Vonn. She talks a lot about him Kim is doing, and mentions there's always a chance Kim could fall off the wagon.

It's interesting ... Brandi also gives her take on the Yolanda and David Foster divorce, take a listen to what she says and if she saw it coming or not.

The entire interview drops Tuesday, you can download it here.