The Real Housewives of New York City Season 6 Episode 9
The Last Splash
When Heather invites the ladies to her home in the Berkshires for the weekend, Ramona and Sonja have nothing nice to say about the place.
While out on the lake, Kristen swims up and overhears Ramona sharing an unflatteirng story about Josh. When Kristen splashes her, Ramona calls her a bitch and throws her wine glass in Kristen's face, cutting her lip.