Video: Sneak Peek At RHOC Part 3 Reunion - Brooks vs. Briana!

Briana and Brooks go head-to-head at the reunion. In the clip, Briana makes a stunning allegation to Vicki's ex, Brooks. She believes he told her husband, Ryan Culberson, to "start hitting Briana to get her to fall in line." Watch tne sneak peek preview below!