When will 'RHOBH' Season 12 Episode 21 be airing? All about the explosive season finale

When will 'RHOBH' Season 12 Episode 21 be airing? All about the explosive season finale
'RHOBH' stars Sutton Stracke and Garcelle Beauvais (Bravo)

BEVERLY HILLS, CALIFORNIA: Is blood really thicker than water? Looks like 'Real Housewives of Beverly Hills' star Kyle Richards' allegiance to her family will be put to test yet again on the upcoming season 12 finale episode of the hit Bravo show. 

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After Kyle's half-sister Kathy Hilton's alleged meltdown during the cast trip to Aspen, things have been very tense between the ladies. Lisa Rinna who was the sole witness of the rumored meltdown relayed the entire incident to the ladies. The housewife claimed that Kathy spoke poorly about not just the Bravo network but also attacked each of them individually by talking down about them, including her sister Kyle. Kathy reportedly declared that she would "destroy" Kyle. When Kyle later learned about the harsh things that her sister said, the OG housewife was understandably upset but decided to forgive her sister after she apologized. Kyle explained how Kathy was still family, and that she wanted to maintain peace with her family. While Kyle forgave Kathy, unfortunately, Rinna isn't ready for it just yet, putting Kyle in a tricky situation. So get ready to watch Kyle navigate this drama while hosting the lavish season finale party at her home.