Real Housewives of Beverly Hills star Lisa Vanderpump wants to quit the Bravo reality television show after the season 4 cast teamed up against her, a source told RadarOnline.com.

Perhaps her most talked about disputes have been those with Vanderpump's former best friend, Brandi Glanville. Season 3 showed them to be good friends and Vanderpump was on Glanville's side when the later got into altercations with her co-stars.

"But the duo's friendship has hit the rocks. Brandi was sick of being Lisa's puppet to do her dirty work," the insider said. "The entire cast, including Yolanda Foster, Joyce Giraud, Kyle and Kim Richards have all turned on Lisa, and none of them are talking to her."

"Lisa wants nothing to do with the ladies anymore because it has just become so toxic recently. She wants off the Beverly Hills Housewives franchise show because Lisa has her own spin-off show on Bravo, Vanderpump Rules."

Vanderpump is contractually obligated to film another season of the Bravo reality series but "everyone knows she has Bravo executive, Andy Cohen wrapped around her finger," the source added. "If she is miserable enough, Lisa will make a huge stink and demand she be taken off of the show, and she will get her way. She always does."

Brandi Glanville is Tired of People Judging Feud with Lisa Vanderpump, She Says; Feeling 'Betrayed and Hurt'

Tension between all the co-stars is likely to play out in season 4 of the show, premiering in November.

A promotional clip for the upcoming episodes showed Vanderpump's husband, Ken, calling Foster "stupid" and Kim Richards defends her friend by telling him, "I'm tired of your G-d damn mouth. You're a big, stubborn old man. Shut up."

Lisa then talks about Glanville acting sometimes "vicious" toward her.

'Real Housewives of Beverly Hills' Season 4 Premiere Spoiler PHOTO; Lisa Vanderpump Tries Keeping the Peace [VIDEO]

Vanderpump admitted to getting along with one RHOBH cast member in an Oct. 5 interview. The SUR owner said about actress Carlton Gebbia, one of the newest additions to the show, "Carlton and I do have an affinity. She's a very straight talker,"

"Maybe it's the British sense of humor -- we kind of get each other," Vanderpump added. "I think she's a great girl."

The Real Housewives of Beverly Hills and Vanderpump Rules premieres Nov. 4 on Bravo starting at 8 p.m. ET.

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Real housewives of beverly hills, Lisa vanderpump