What began as a lavish dinner hosted by Erika Girardi in her presidential suite in Berlin turned into a disaster when Kemsley recycled old drama and blamed Richards for tattling on her for calling Vanderpump "needy."
At the time, the fight sparked a nasty feud between Vanderpump and Richards because Vanderpump decided to forgive Kemsley almost immediately.
However, on Tuesday, history repeated itself when Vanderpump sided with Kemsley for a second time.
"Lisa, I will never tell you anything ever again," Richards said sternly.
"Kyle's acting like a petulant child," Vanderpump told the camera. "I love her, but come on. I just want her to see Dorit's side."
The situation took a turn for the worse when Kemsley then dragged Richards into the infamous pantygate fiasco from last season between Kemsley and Girardi.
Girardi, however, was determined to stay out of it – and she admitted to the camera Richards had nothing to do with it either.
"I'm so confused," Girardi admitted to the dinner table.
"That makes no sense," Richards said.
Ultimately, Richards said she was once again "annoyed" with Kemsley's antics, but downright hurt by Vanderpump for siding with Kemsley once again.
"I've come to expect this from Kemsley but what I don't expect is for Lisa Vanderpump to continuously not have my back and speak up for what is right," Richards said.
The longtime friends ended up patching up the drama during a walk in the park near their Berlin hotel.
"If you're upset by something I'm always by your side, you know that," Vanderpump consoled an offended Richards.
Next week's sneak peek showed Girardi surprising the ladies with a trip aboard a yacht, which never ends well. Tune into The Real Housewives of Beverly Hills on Tuesdays at 9 p.m. on Bravo.
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