The Scottish singer-songwriter was pictured visiting the University Cafe on Byres Road in the city’s West End recently.
The 27-year-old is known for his hits including Someone You Loved, Forget Me, Pointless, Wish You The Best, and many more.
In a picture shared on the University Cafe’s social media, the Brit Award winner was all smiles as he posed with staff.
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Sharing the musician’s visit, the venue said: “Only the best ice cream for our Lewis!”
Fans of the star and cafe flocked to the comments of the post to share their excitement of his visit.
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One said: “Great taste Lewis!”
Another chimed: “You get all the stars. Lovely guy.”
While a third added: “So jealous.”
The well-known Glasgow cafe was first opened by Italian-born Pasquale Verrechia on September 1, 1918, and he has passed the business down across four generations.