Add R&B singer Kelis to the list of celebrities who owes the IRS backed taxes.
According to reports, the milkshake singer owes over $330,000 dollars in taxes for the years 2010 and 2004. The tax lien was filed in New York City.
She is best known for her brief marriage to legendary rapper Nas and her hit 2003 single "Milkshake" which was certified gold in the United States with over 800,000 sold.
Kelis has not released a statement on the report.