U.S. actress Julia Louis-Dreyfus apparently was as surprised as anyone to find out she reportedly is a billionaire heiress.

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Forbes magazine said in a May 15 article that Dreyfus' father, William Louis-Dreyfus, is worth $3.4 billion, which was good enough to place the star of "The New Adventures of Old Christine" fourth on its list of hottest billionaires.

But the former "Seinfeld" star begs to differ.

"It's not true, actually," she told "Access Hollywood" Friday. "Forbes made a mistake and I won't be on the list anymore.

"I wish I was a billionaire, but I'm really not."