In Part 3 of the reunion, Heather and Aviva butt heads when Aviva decides to "out" Heather. Ramona tries to dismiss Kristen and her opinions, but the new girl won't be so easily shut down. Ramona and Sonja must defend their relationship. The ladies open up about the individual struggles and heartache they faced this year. Plus, Aviva discusses what led her to throw her leg at Le Cirque and the women reveal more behind-the-scenes of what really happened that night.