In the middle of his ‘Legend of the Fall’ world tour, The Weeknd surprised his L.A. fans with a special guest on Saturday night. For his performance of “Sidewalks,” Abel brought out none other than hometown hero Kendrick Lamar to join him on stage at The Forum for his featured part of the song. Kung Fu Kenny followed up with a solo set of his chart-topping single “HUMBLE.” causing the audience to explode. Check out the performance above. Enjoy!