Lewis Capaldi surprised fans on Sunday night as he took to the stage at an intimate open mic night.

The Someone You Loved singer was filmed on stage at Broadcast on Sauchiehall Street during the bar's open mic night on Sunday (December 3).

Flying under the radar, the 27-year-old was wearing a black hoodie as he gripped the mic to serenade the informal gig.

The clip was shared on TikTok, captioned: "Lew got onstage tonight for a little bit!"

Fans took to the comments to share their love for the singer, of Whitburn, West Lothian.

@lipglossandconverse Lew got onstage tonight for a little bit! #lewiscapaldi #capaldi #music #musician #broadcast #fyp #viral #love #scot #scottish #scottishtiktok #scottishtok #scotland #scotlandtiktok #scotlandtok #glasgow #glasgowgirl #glasgowtiktok #glasgowtok ♬ original sound - Amanda Capaldi

One person said: "Baby steps Lewis.... Can't wait to have you back."

Another wrote: "I’m so glad he is back home just where he needs to be."

"I’m crying. I missed him so bad and am so proud of him for taking care of himself," one fan shared.

One user said: "It's lovely to see Lewis, I'm glad he's OK.

"We miss him terribly but he is in the right place...home.

"Sending love to you all."

It comes as Lewis Capaldi was named the UK's most-viewed artist on TikTok with 182 million likes on the platform.