LOUIS Theroux surprised concert-goers last night when he was spotted amongst the crowd at Stormzy's Hydro gig. 

The popular documentarian is currently working on a new six-part celebrity interview series and has joined the multi-award winning rapper on tour. 

A number of fans took to social media to share their surprise at spotting Theroux in the audience following the show.

In response to a tweet from the BBC about the new series, one fan who was lucky enough to meet Theroux posted a selfie with him and wrote: "Met the man himself at the Hydro in #glasgow before #stormzy gig tonight."

Another tweeted: "Louis Theroux was at the Hydro in Glasgow tonight to see Stormzy hahahahaha wit the f***."

A third said: "Stormzy and @louistheroux in one building and Stormzy shook my hand? What a night. #glasgow"

Several videos also appeared on TikTok showing Theroux standing amongst the crowd foot tapping along to Vossi Bop, posing for photos with excited fans and following Stormzy as he greeted gig-goers.