Kim Richards Wild Behavior At Paris Hiltons Birthday Party Raises Concerns Shes Off The Wagon

Has Kim Richards fallen off the wagon once again?

According to an exclusive report in the new issue of Star magazine, The Real Housewives of Beverly Hills star appeared far from sober at her niece Paris Hiltons recent birthday party.

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She arrived at Paris birthday party at Harrahs Peek nightclub in Lake Tahoe looking loopy, with a very unnatural smile plastered across her face, an eyewitness tells Star.

She was gyrating with a shirtless go-go dancer, stuffing dollars in his pants and dancing wildly on stage. It was inappropriate at a family event!

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According to the report, even Paris couldnt believe what she was seeing unfold ! in front of her eyes.

You could tell Paris was embarrassed, the partygoer reveals.

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Kim acted like she was on something. No one saw her drinking, but a sober person just doesnt behave that way.

As RadarOnline.com previously reported, in last weeks episode of the hit reality TV show Kim, 48, appeared drunk or, at the very least on some type of medication.

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I wasnt using anything, I wasnt doing anything, but physically and mentally I wasnt okay, Kim later said about her bizarre behavior, as she went on to claim that she had simply confused medications and thought she was just taking a water pill as opposed to something much more powerful.

For more on Kims battle with alcoholism and friends fears that shes fallen off the wagon, pick up the new issue of Star magazine on newsstands Thursday.