LeBron James, Westbrook, Harden, DeRozan vibe at Kendrick Lamar's 'Pop Out'

What Happened: LeBron James, Russell Westbrook, James Harden, DeMar DeRozan at the Event

Four NBA stars attended Kendrick Lamar's Juneteenth 'The Pop Out: Ken & Friends' concert at the Forum. Westbrook and DeRozan walked out on stage with Kendrick during the now-historic five-in-a-row performance of 'Not Like Us.'