Kendrick Lamar reveals there's more to his summer smash 'Not Like Us' than throwing shade at Drake as part of their public rap feud earlier this year.

"Not Like Us" was the coup de grace in the epic rap battle between Lamar and Drake this year, which saw both rappers reach new lows and occasional highs (unless you ask J. Cole and Questlove ). The track also became Lamar's fourth No. 1 single, and first as a solo artist, and also broke numerous streaming records.