Rapper/actor Xzibit owes more than $500,000 in unpaid taxes, according to new documents leaked online.

The Hey Now star, real name Alvin Joiner, has had two tax liens filed against him in the past year by officials at the Internal Revenue Service (IRS).

According to DetNews.com, Michigan native Xzibit was recorded as owing $296,355 to the IRS on April 17th 2008, while a further $205,485 was noted in the Los Angeles County Records of Deeds office on February 4th.

But Xzibit isn't the only rapper indebted to the IRS - Lil' Kim owes $979,090, while Method Man had his car repossessed last month after failing to pay over $50,000 to the U.S. government in back taxes.

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(This news article provided by World Entertainment News Network)