Kendrick Lamar and SZA will take the stage at the year's biggest football game -- but there's some controversy.

The 37-year-old rapper has been tapped to headline this year’s NFL championship halftime show, where he will be joined by his longtime collaborator and R&B star SZA. And while many might (understandably) assume Lamar would be getting a hefty paycheck for his service, that couldn’t be further from the truth.