It's a lucky week for hip-hop fans in Los Angeles. On Thursday Travi$ Scott brought out Kanye West for an intense performance of "New Slaves" at the El Rey Theatre. Then last night Mac Miller—touring with Action Bronson and Chance The Rapper—surprised the crowd at the Hollywood Palladium by brining out Odd Future figurehead Tyler, The Creator for a high-octane take on the Watching Movies With The Sound Off cut "O.K." The two jumped around and delivered high-fives as the song blasted around them. Watch the video above.

That wasn't the only drop-in of the night. Chance also made some waves by bringing out Childish Gambino for the Acid Rap stand-out "Favorite Song." You can watch that video here.

[via Hip-Hop Heisenberg]