Housewive Smackdown! Joanna Krupa vs Adriana Moura

It all went down at housewife Lisa Hochstein's lingerie fundraiser (yes. you read right). Joanna and castmate Adriana Moura got into a heated discussion, where Adriana called Joanna a ... wait for it ... "wannabe." Joanna became incensed, and when Adriana turned and walked away, Joanna followed her down a hall and grabbed her. What happened next sent the production crew scurrying. Watch: