Will Smith and KSI’s funny TikTok promotional video, where KSI tells Smith to “shut up,” sparks fan laughter in a viral clip.

Will Smith recently collaborated with KSI in one of his streams, and one moment from the stream has now gone viral on social media.

Will Smith and DJ Jazzy Jeff, Mariah Carey, Busted vs McFly and KSI are all set to take to the stage in London for the single-day mini festival, and the ticket presale is already open. Here's ...