Kendrick Lamar star has never shined brighter ... For the cover art, he used a picture of a pair of tattered black Nike ...

The beef between the two hip-hop stars seemed to reach a point of no return after Lamar released his diss track "Not Like Us.

Joey Bada$$ ignited speculation of a Kendrick Lamar diss in his fiery ... Elsewhere in the freestyle, Joey Bada$$ declares: “This that black Air Force energy” and “This ain’t boom ...