Brandi Glanville got married over the weekend in a spur-of-the-moment Vegas ceremony and RadarOnline.com has exclusively learned her new husband's ex-wife is fuming over the stunt!

"She was my best friend until she started an affair w my ex hus Darin behind my back!!!!" Darin Harvey's ex-wife, Michelle Harvey posted on her Twitter account Tuesday afternoon.

PHOTO: Click Here To See Michelle Harvey's Twitter Rant

Brandi Glanville has remarried! The Real Housewives of Beverly Hills costar wed Darin Harvey, a Mixed Martial Arts manager on the spur of the moment in Las Vegas.

Glanville, whose ex-husband Eddie Cibrian famously left her for LeAnn Rimes, broke the news to her fans on Twitter. "I'm married again- suuuuuuck it!"

The couple celebrated the union at Spearmint Rhino, a strip club. "Honeymoons with strippers are the best!" Glanville tweeted.

PHOTOS: Brandi Glanville Rocks A Skimpy Pink Bikini

Brandi calls Harvey her "best friend," and wrote that "After some beer and strippers he is now my husband. No joke!"

But for how long remains the question. Harvey followed up with a message to his Twitter followers. He called the wedding a "a drunken BFF thing"

"I had a crazy Vegas moment," he wrote Sunday. "Getting annulled tomorrow."

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