Scheana Marie "sometimes" regrets her friendship with Kristen Doute.

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Throughout the last couple of seasons of Vanderpump Rules, Marie and Doute were friends. However, after hearing how Doute treated her best friend, Ariana Madix, in Miami, Marie decided to move on.

After a fan tweeted to Marie on Monday, asking, "You ever regret being friends with Kristen?," she replied, "Sadly yes sometimes."

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During the Miami trip, which was held to celebrate Marie's bachelor/bachelorette weekend with her now-husband Mike Shay, Doute was seen poking fun at Madix, and making her uncomfortable. At the time, Madix chose to not say anything, since she didn't want to ruin Marie's weekend, but once the cast returned, Madix and the rest of Marie's friends filled her in on how Doute had acted.

In her latest Bravo blog, Marie opened up about the end of her friendship with Doute.

"After we came back from Miami, I was filled in on how much of a passive-aggressive b***h Kristen was being to Ariana the entire trip," Marie explained. "At the time, while in Miami, I didn't pay attention, but since we've been back and my friends have filled me in, I think that was the point where I completely lost it with Kristen. It was like all of the anger inside of me towards her and what she was doing to my best friend finally exploded! She's a loose cannon and unpredictable."

For more Scheana Marie, tune into Vanderpump Rules every Monday night at 9 p.m. Below is a sneek peek at the next new episode.