Williams’ appearance in the halftime show is also raising eyebrows because Lamar brought her out on stage during a song that’s commonly known as a diss to Drake. Lamar and Drake feuded over the years, culminating in a series of diss tracks about one another last summer — and a lawsuit.

The American tennis legend appeared at the Super Dome during Lamar's halftime show performance of his Drake diss track.

What a Crip walk is as Kendrick Lamar and Serena Williams do the controversial dance move at the Super Bowl in the performance of 'Not Like Us'