On Thursday night, Kendrick Lamar took his ‘DAMN.’ World Tour to Chicago — even setting up one of his DAMN. pop-up stores over at Notre. After bring out special guests Travis Scott and 2 Chainz in Brooklyn along with J.Cole in Detroit, Kung Fu Kenny this time surprised fans with a special performance of “No Problems” with hometown hero Chance the Rapper.

Appearing from under the stage, Chance was welcomed with a loud ovation from fans. After the performance, Lamar told the audience that they must “protect Chance at all costs.” Check it out below.