From the songs he performed to the surprise guests, here's what you need to know about Kendrick Lamar's Super Bowl halftime ...

From Serena Williams and Samuel L. Jackson's appearances to why the rapper is beefing with Drake in the first place ...

He was surrounded by backup dancers who formed an American flag while dressed in red, white and blue. Jackson interrupted Lamar more than once during the performance as “Uncle Sam.” ...

Fans tuning in to Super Bowl 59 to watch Kendrick Lamar's halftime show were welcomed in by an Academy Award-winning actor.