Real Housewives of Potomac's Mia Thornton and Karen Huger face off over each other's cheating rumors, leading Mia to tease a shocking new infidelity bombshell about her costar in sneak peek.
How well do you know our queens? Which queen has a Katy Perry connection? Which queen appeared on The Kardashians? Which one was once a Hufflepuff, and put the beauty into Beauty and the Beast?