On the final installment of the "Real Housewives of Beverly Hills" reunion, Kyle Richards addressed the real reason why she and sister Kim Richards are not speaking ... and it has to do with Kim's dog, Kingsly.
Check out the video above to find out how Kyle's daughter, Alexia Umansky, almost lost her hand!
It definitely sounds like the much-talked about altercation was the catalyst of Kim and Kyle's relationship problems, especially since Kyle's daughter was severely injured in the incident.
"It was deep, and what we didn't realize is that it had infected the bone," Kyle said about the dog bite on Alexia's hand. To which Kim snapped, "She had to be on antibiotics ... for TWO days."
Kim says her biggest beef comes from the fact that she posted about the attack on Instagram -- though Kyle never named her dog in any of the posts.
"I told everyone in my life that it was your dog. I didn't know I had to keep it a secret, I just didn't say publically it was your dog to protect you and protect the dog!" Kyle exclaimed.
Kim then got very emotional about the entire ordeal, and said that she considers her dog one of her children ... even though Kyle's daughter (who is also Kim's niece) had to be on an IV drip for three weeks.
It definitely doesn't sound like these two are making up anytime soon -- what do you think about the dog biting incident? Tell toofab in the comment section below and check out the gallery below to see more "Real Housewives" stars before the fame!