The drama between reality stars Kim and Kyle Richards still seems to be a huge topic of discussion and according to sources the two sisters got into a nasty fight that has ended their relationship for good.

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The ongoing battle between the Richards sister's played out a lot during season 5 of the Real Housewives of Beverly Hills and clearly the craziness between the two ladies is far from over.

On Monday, Us Weekly reported that a source claims that the reunion was "nuts" and while it was exhausting for all of the women on the show Kim especially had a hard time.

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According to the site, during the three part season 5 reunion, "Kim and Kyle were screaming at each other from across the couches," an inside told the magazine.

The estranged sister's, who haven't spoken in months, got into an intense fight during the taping of the reunion and according to an insider, "It was bad."

"By the end of the reunion, it seemed like their relationship is actually irreparable," the source said. "Kim and Kyle have no relationship outside of the show," another source told the mag. "That's the only time they talk."

Watch What Happens Live host and season five reunion mediators Andy Cohen has also been dishing on the drama between the ladies and he revealed that this reunion was the most intense ever and apparently there are a lot of shocking surprises.

"It was super dramatic. It was emotional," Cohen said during his Ask Andy segment. "There was an 11th hour smoking gun that was revealed... which was amazing."

Part 1 of the 3 part Real Housewives of Beverly Hills season 5 reunion airs on Tuesday, March 31 at 9 p.m. on Bravo. Viewers can watch an extended clip from the reunion special in the video below.

Tags: real housewives of beverly hills Reality TV Bravo Kim Richards kyle richards