The “Vanderpump Rules” reunion shoot on Thursday reportedly became so nasty that Andy Cohen had to restrain 2 other cast members when confrontations between Tom Sandoval and Raquel Leviss got too heated.

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Sources close to the production informed TMZ, the 5 hours of filming were spent in an intense atmosphere that started within the first 2 minutes of the filming. No one chose to support Tom and Raquel. On the contrary, everyone, including Andy Cohen and Lisa Vanderpump, smashed them.

According to one source, “It was like a nuclear bomb went off in the studio.” The instigator “is not someone you’d guess” and it was not Tom, Raquel, or Ariana..

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Leviss and Sandoval were seated next to each other when Cohen, questioned them when their affair began. While they both acknowledged they had a brief fling, they didn’t develop into a romantic affair until later.

They also allegedly admitted that they are still together, but according to TMZ, the relationship will not last. “That relationship is like on an egg timer,” the source revealed. “It’s not gonna last.”

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Ariana, on the other hand… she’s intriguing. She was furious at both Tom and Raquel. Despite crying at times, she did not go way over the top.  According to a source, it was evident that she had received extensive therapy.

Tom Sandoval was particularly affected by the circumstances of his own choosing, unlike his ex, and the cast had to take a break at one point to relax, the source added.