KSI caused a commotion as he was spotted giving out Prime in surprise visits to Slough and Reading this week. 

Some lucky fans were able to meet the famous Watford star, who was spotted outside Sports Direct in Bath Road in Slough yesterday, during filming for an upcoming YouTube video.

Slough Town FC shared photos of KSI posing with a shirt from the club's kit. 

KSI, real name Olajide Olatunji, is from Watford and attended Berkhamsted School alongside Miniminter, real name Simon Minter.

He is a co-founding member of YouTube group the Sidemen, who create comedy videos on dating, music, gaming, and boxing.

The YouTube star has 24.1 million regular viewers on his main channel. 

Earlier in the week, KSI was spotted in his hometown of Watford, where the YouTuber and fellow Sidemen were preparing and serving burgers from a food truck for a crowd of excited schoolkids.