Britney Spears’ $721,000 Tax Bill Is Valid, IRS Tells Court

Britney Spears’ tax deficiency and penalty totaling about $721,000 is proper, the IRS told the US Tax Court as it defended its adjustment of flow-through income from her business and a disallowance of certain deductions in 2021.

The IRS admitted it determined a deficiency of about $600,700 and a penalty under Section 6662(a) of about $120,000 for tax year 2021, which are in dispute, according to a reply brief filed Jan. 30.

Spears challenged the IRS determination in December 2025 over tax deficiencies she said resulted from the IRS’ erroneous adjustment of flow-through income from her business, Shiloh Standing Inc., ...