Tennis legend Serena Williams made a surprise appearance during rapper Kendrick ... The Grammy-winning song is a diss at Canadian rapper Drake, who is rumored to have dated Williams in the 2010s.

Surprise! Selena Gomez and Benny Blanco just dropped a new song called "Scared of Loving You" right in time for Valentine's Day. And on top of THAT, they went ahead and announced a joint album ...