-- Adam Levine hosts and Kendrick Lamar performs as the musical guest on this weekend's episode of "Saturday Night Live." The West Coast's new king performed his "good kid, m.A.A.d city" singles "Swimming Pools (Drank)" and "Poetic Justice," and appeared in a digital short call "YOLO" with The Lonely Island and host Adam Levine. Lamar played a financial planner, dishing out advice through his raps.