The rapper made a point to mock Drake's lawsuit against Universal Music Group and opted to cast Samuel L. Jackson as Uncle Sam as part of the show, which also featured SZA joining the Grammy ...

but you know they love to sue" — likely a reference to Drake suing his own label over the popularity of the diss track. 13.It's their Black Panther soundtrack duet, "All the Stars," that Uncle ...

What's more, Lamar brought out fellow Compton-native Serena Williams, who briefly dated Drake around 2011, to dance during the performance. Samuel L. Jackson — dressed as Uncle Sam ...