Lisa Vanderpump wasn't happy to hear her former Real Housewives of Beverly Hills co-star Kim Richards' recent comments against her.

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Last month, just weeks before her latest arrest, Richards spoke out, claiming Vanderpump was "phony," and now, Vanderpump has responded.

"That kind of really stung and hurt because I feel that I have never involved myself too much in questioning her sobriety," Vanderpump told Entertainment Tonight on Saturday. "Even last season, I said very much I don't want to get involved because I didn't feel like I was that close to her. There were other people who were much closer to her."

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Continuing on about the comment, Vanderpump explained, "That really hurt because I thought, 'Hold on a second, I've always supported you and always wanted the best for you.' Even if I had my suspicions, I never really kind of revealed anything."

While Vanderpump couldn't confirm or deny whether Richards had been fired, as has been reported, she did confirm she has no power when it comes to cast changes.

"Whenever somebody is on the show, they're on the show for a reason, and sometime the dynamic changes, not everybody is happy with certain choices, but there's been a lot being said about me having the power to eliminate cast members," she said.

As for Richards' future, Vanderpump wished her the best, and said, "She probably has a lot of support from her family."

The Real Housewives of Beverly Hills season six is expected to return to Bravo this winter.

Tags: lisa vanderpump Kim Richards Bravo The Real Housewives of Beverly Hills Reality TV