Marty Pello, a former lead singer of Wet Wet Wet, visited. the meal Stop at Bell Street in Merchant City.
The star praised the employees on social media with whom she posed for pictures.
The 56-year-old also recommended the Make a Cheese business to thousands of his fans.
In a Facebook post, she wrote: “Foodstop Glasgow has the best Mac n cheese, I promise. You’ll have to go if you get the chance. Dear ladies, she always has a smile on her face.” L2L Marti x ”
There have been over 4,300 likes and 200 comments since this post.
Marty is set to go on her solo great hit tour in November but is on home turf this week.
Pello, who now lives in Windsor, visited City Restaurant La Lantina West earlier in the week where he posed for a photo with staff.