‘Real Housewives of Beverly Hills’ Cast: Lisa Vanderpump Is Over False Stories, ‘They Should Check Their Sources’ [VIDEO]

Lisa Vanderpump is fed up. After a rumor went viral about the Real Housewives of Beverly Hills star being a bad tipper, the reality star is once again speaking up.

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On Sunday Vanderpump told Rumor Fix, "If someone is trying to start trouble - they should check their sources."

Vanderpump was referring to a false story that claimed Vanderpump only left five dollars on a $500 tab. Radar Online reported last week that Vanderpump along with husband Ken Todd were dining at the restaurant Bar On 4, which is located inside of Neiman Marcus in Beverly Hills. A source told the website, "They ordered a ton of food and drinks and stayed for several hours," said the insider. Then the couple apparently only left "$5 cash on a $500 bill!"

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"She comes into Bar on 4 quite often," the source continued. "She is always loud, and doesn't treat any of the staff with respect." The source also called her "obnoxious."

After the report, Vanderpump tweeted "Another nasty story,I know the source,yuk. But I won't say as their main intention is to drive people to their site when I comment."

Neiman Marcus also denied the story in a statement. "We have investigated the story circulating with regards to Ms. Vanderpump and have found there to be no truth to the malicious information being spread," Ginger Reeder, Vice President of Corporate Communications at Neiman Marcus Group Services, said. "While it is our corporate policy not to comment on the shopping habits of our customers, however in this regard, I can confirm that Ms. Vanderpump is always a gracious customer and has not dined in the store in recent months. We have found nothing of credence in the story being circulated."

Vanderpump is finally fed up by the false stories being spread about her. "How many people do they need to come forward to say it's not true for them to stop?"