According to reports, Matthew Knowles, father of singers Beyonce Knowles-Carter and Solange Knowles is in big trouble with the IRS. After raking in loads of cash between 2010 and 2011, the marketing mogul has failed to file taxes for over $1.2 million dollars.The IRS has filed a lien against Matthew Knowles demanding he pay taxes on earnings of $485,575.95 for 2010 and $728,004.89 for 2011, which totals out to a whopping $1,213,580.84!

Matthew Knowles has managed several artists, including uber-famous daughter Beyonce. In 2010, Matthew was still Beyonce's manager.

We hope he pays his bills and gets his name cleared ASAP, cause the IRS is making examples of celebrities who aren't paying up!