Kendrick Lamar had a secret show in Brooklyn this past weekend for AmEx users, and invited a couple of fans to freestyle with him and one fan killed it (around the 26 minute mark).
Watch Lamar walk around the stage impressed at this fans bars, and watch him also invite NYC-artist Kemba on stage.
Earlier this year, Kendrick Lamar released untitled. unmastered. to great critical and fan acclaim. Watch the concert below!