Speculation over surprise guests is at a fever pitch. One name is already locked in: longtime collaborator SZA, which is of no surprise since the two announced they'd be going on tour together. This is Kendrick Lamar though so there will be more guests.

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

Kendrick Lamar said fans can expect to hear the tale of his rise from humble beginnings to rap superstardom when he headlines the Super Bowl halftime show on Sunday.