Two of The Real Housewives of Beverly Hills stars, Lisa Vanderpump and Brandi Glanville, are acting like divas and are disrupting filming of the show, and their fellow cast mates are not happy about it, RadarOnline.com is exclusively reporting.

As we previously reported, the claws were already out before filming began for the third season of the hit Bravo reality show because Vanderpump was given a spin-off show on Bravo, based on one of the restaurants, Sur, located in West Hollywood.

Eddie Cibrian's ex-wife, Brandi Glanville, one of the stars of Bravo's The Real Housewives of Beverly Hills, has been partying hard during filming recently and is turning into the new mean girl on the reality show, RadarOnline.com is exclusively reporting.

As we previously reported, fellow “Housewife” Taylor Armstrong has also been hitting the bottle and had a catastrophic meltdown during a recent trip to Ojai, which left her co-stars fearing for her future if she doesn't seek treatment for her drinking.

Taylor Armstrong had a "catastrophic meltdown" during a recent weekend spa getaway in Ojai, California, which has left her fellow Real Housewives fearing for her future if she doesn't seek treatment for her drinking, RadarOnline.com is exclusively reporting.

Multiple sources tell RadarOnline.com that Taylor's behavior, which was all caught on  camera, was out-of-control and frightening to witnesses and was fueled by the amount of alcohol she drank during the trip.

Taylor Armstrong seemed to put her troubles behind her on Saturday by going to KIIS FM’s Wango Tango concert Saturday.

The Real Housewives of Beverly Hills star smiled as she posed outside the Home Depot Center with her daughter Kennedy.

PHOTOS: Taylor Armstrong And Other Stars Come Out For Wango Tango

The cast of The Real Housewives of Beverly Hills will confront co-star, Taylor Armstrong this week about her drinking problem, and it will all be captured on camera, RadarOnline.com is exclusively reporting.

As previously reported, Taylor recently got extremely intoxicated at Kyle Richards' daughter, Portia's fourth birthday party and it was all caught on camera for the upcoming third season of the hit Bravo television show.

Easy come, easy go!

Brandi Glanville was all set to become a fully fledged Beverly Hills Housewife , but her ex-husband Eddie Cibrian and his new wife LeAnn Rimes managed to scrub her plans!

As RadarOnline.com previously reported, Brandi was to graduate from ‘friend’ to a full-fledged ‘Housewife on The Real Housewives of Beverly Hills, but RadarOnline.com has exclusively learned Bravo yanked the offer after Brandi was forced to tell the network that her kids couldn't appear on camera.

Taylor Armstrong is firing back at critics who claim she is an alcoholic, something she vehemently denies, even in the face of her ever increasingly erratic and inappropriate behavior, RadarOnline.com is exclusively reporting.

As previously reported, Taylor got drunk at her co-star Kyle Richards' daughter Portia's fourth birthday party over the weekend, and it was all caught on camera for the upcoming third season of The Real Housewives of Beverly Hills. There has been increasing concern among the ladies about Taylor's drinking problem and that has only been intensified following her weekend behavior.

The Real Housewives of Beverly Hills has only been on air for two seasons, but friends of star Kyle Richards say that the fame has totally gone to her head and that she's been acting shockingly bad to her ‘non-TV’ friends!

"She's not the same down to earth woman she used to be," a friend of Kyle's exclusively tells RadarOnline.com. "This has all gone to her head."

Taylor Armstrong got "wasted" at Kyle Richards' daughter, Portia's fourth birthday party over the weekend, and it was all caught on camera for the upcoming third season of Real Housewives of Beverly Hills, RadarOnline.com is exclusively reporting.

As previously reported, there has been increasing concern among the ladies about Taylor's drinking problem, and that has only been intensified following her weekend behavior.

Camille Grammer filmed with The Real Housewives of Beverly Hills cast members at Kyle Richards' daughter, Portia's birthday party this past weekend, RadarOnline.com is exclusively reporting.

As we previously reported, Grammer had decided not to return for the third season of the hit Bravo reality show because she didn't want to have her children or her boyfriend appear on camera.