After a proper promotional run, Kendrick Lamar celebrated his Saturday Night Live debut tonight backed up by a live band that included Terrace Martin. Compton's finest put this occasion to good use and performed the freshly platinum-awarded single "Swimming Pools (Drank)," and his new single "Poetic Justice," sans Drake. In addition, Kendrick joined forces with Adam Levine and The Lonely Island to perform a skit titled "YOLO" along with Adam Levine and The Lonely Island. Watch below.