Her long-standing feud with the woman who split up her marriage to Eddie Cibrian has been well-documented.
But Brandi Glanville wasted no more than three minutes before launching into an expletive rant about LeAnn Rimes on Tuesday night, as she arrived to make her mark on the British version of Celebrity Big Brother.
The Real Housewives Of Beverly Hills star dropped the f-bomb frequently and even shocked viewers with c-word in her last on-air interview before entering the house.
Scroll down for video
The wait is over: Brandi Glanville made an explosive entrance into the Celebrity Big Brother house on Tuesday night, in London
'My ex-husband married a c***,' she exclaimed. 'I don't have a drinking problem, I have a f**king