Watch Kendrick Lamar Join The Weeknd For Surprise Performance Of 'Sidewalks'

Cornrow Kenny, also known as Kendrick Lamar, headlined the Day 1 stage for the FYF Fest. | Photo by Ural Garrett for Okayplayer.

Days after shutting down Brooklyn with a secret show, Kendrick Lamar rocked the opposite coast with a surprise performance alongside The Weeknd in Los Angeles.

The Weeknd was in Los Angeles for a Vevo Presents show that featured him performing songs fromhis new recordStarboy.The album topped Billboard's Top 200 albums chart with 348,000 equivalent units and broke the record for the most Spotify streams in one day.

King Kendrick came on stage for a surprise appearanceto perform "Sidewalks," the song from Starboy that he appears on. As 2DopeBoyz noted, the occasion was the first time Kendrick and The Weeknd have performed the song together.

Watch video clips of the performance below, and check the recap of Kendrick Lamar's Brooklyn show with American Express.