Just when we thought the laundry list of celebrities that owe Uncle Sam money was dwindling down, we just got wind that R&B singer, Kelis owes over $330,000 to the IRS. The government is seeking tax money from the "Bossy" singer from 2004 to 2010!Kelis went on tour back in 2004 with pop icon Britney Spears and raked in tons of cash. They are also seeking tax money from her first headlining gig with pop singer Robyn back in 2010.

The two tax liens that were filed against the singer is for a grand total of $330,426.

Seriously, people. Pay your taxes!

Watch: Kelis 'Milkshake'