Where the Vanderpump Rules ladies tread, there’s usually wedding drama. After Stassi Schroeder got engaged to her boyfriend, Beau Clark, on July 31, she had an engagement party at Lisa Vanderpump‘s mansion — and longtime BFF Kristen Doute wasn’t in attendance. Now, an insider exclusively revealed to Life & Style that the ladies seemed to keep their distance from each other at their Witches of WeHo event just one day before the proposal, which seemingly proves the ~not-so-great~ state of their relationship.

An eyewitness exclusively revealed that Stassi, 31, and Kristen, 36, “seemed like their normal selves” at Witches of WeHo Potion No. 2  Basic Witch Rosé launch at Farmhouse restaurant at Beverly Center on July 30. But when they sat together at a table, the insider said, “Stassi and Kristen let Katie sit between them.”

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The eyewitness then explained to Life & Style that it seemed like the longtime pals were in the midst of a tiff during the party.

“Throughout the event, I did not see Stassi and Kristen together much,” the insider said. “As soon as the other cast members arrived, Stassi stayed near Beau throughout the night and Kristen was seen making her rounds throughout the party. Kristen mingled with a lot of people who were not Vanderpump cast members. After Stassi and Kristen took their photos and did their interviews together to promote the wine, they didn’t appear to spend additional time together at the event.”

In the interview the girls did with Us Weekly at that same event, Stassi mentioned the “ups and downs” the trio have dealt with while working together on this project, while Kristen also revealed the trio have argued about “friend stuff sometimes,” but never about wine.

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Meanwhile, Stassi’s mom, Dayna Schroeder, confirmed Kristen’s absence from the engagement celebration in a screengrab captured by @commentsbybravo. “Dayna, were you sad Kristen wasn’t there?” a follower asked on the mom’s joyful and congratulatory post. “I know you two are close!”

“Yes, quite sad,” she responded. “But I didn’t really know all the particulars. So I was out of the loop for awhile. Don’t you worry, it’s like Lion King and the circle of life … each one of these girls will grow, change and come back to their original strong friendship bond that they’ve always had. Somethings just take time.”

As of the time of publication, Stassi and Kristen still follow each other on Instagram, so hopefully, that means things aren’t too bad for one of our favorite Pump Rules friendships.