After much speculation, the rapper ended up performing two of his summer diss tracks and also brought out Drake's ex-girlfriend Serena Williams for part of the halftime show.

After sweeping the Grammys on Sunday, Lamar’s ubiquitous Drake diss could be the centerpiece of the halftime show. That, it bears mentioning, is pretty strange.

Kendrick Lamar's diss track 'Not Like Us,' aimed at Drake, evolved into a major cultural phenomenon. It topped charts, won Grammys, and was performed at the Super Bowl halftime show. The song's infectious beat and powerful lyrics resonated widely,