Nicole, Chandlar, Nikki, Alyssa and Cheyenne have "been through a lot" -- and now they are chronicling their story on the brand-new show MTV's Pretty Little Mamas.

"In this moms squad, we have each other's backs. Well, mostly..." Nicole declares in the clip above as the ladies bond -- and bicker.

But before viewers get to see the women (and their children!) up close and personal, get to know the San Diego-based crowd with the brief biographies below. And do not miss the inaugural installment of Pretty Little Mamas on Thursday, August 30 (three weeks from today!) at 9/8c.