The 39-year-old Glanville, who joined the Bravo series this season, was married to Eddie Cibrian — who starred in this season's quickly canceled The Playboy Club — but the two divorced after he left her for singer LeAnn Rimes.
Glanville, who admits the nuptials were unplanned, added that she and the mixed martial arts manager may get an annulment.
"We may not stay this way, #thankucoffeepatron," she wrote. "We may annul."
Watch our interview with Brandi about the season: