Did Real Housewives of Beverly Hills star Lisa Vanderpump really leave a bad tip for a waitress? A new report said that the star only left five dollars on a $500 tab.

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Radar Online reported Friday that Vanderpump along with husband Ken Todd were 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!"

The insider also said that Vanderpump wasn't very nice when she was in the restaurant. "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."

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The source also said that Vanderpump "is the most obnoxious woman ever and gets what she gives." When asked about the report however, a rep for the couple said, "As owners of 26 dining and nightlife establishments over the decades, Ken and Lisa have always been very cognoscente of a generous tipping."

After the initial 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." She then tweeted a comment from Neiman Marcus themselves, which called the report untrue and defended Vanderpump.

Tags: lisa vanderpump real housewives of beverly hills Bravo