Records show supermodel Christie Brinkley owes $531,000 in back taxes, and the IRS has filed a lien against her.
The New York Daily News reports that the tax lien was filed Nov. 21 on a mansion in Bridgehampton on New York's Long Island, where she lives.
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A spokeswoman for Brinkley says the star was surprised to hear the lien had been filed.
Spokeswoman Claire Mercuri says: "Christie Brinkley … has instructed her team to resolve the matter immediately."
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Brinkley was once married to Billy Joel. She made her Broadway debut this year playing Roxie Hart in the musical "Chicago."
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