Lori Lightfoot recently sat down for lunch with a very special 4-year-old guest, who dressed up as the Chicago mayor for Halloween.

Idris Lockett garnered attention on social media and soon after, Lightfoot herself.

On Monday, Nov. 4, Lightfoot invited the boy’s family to City Hall, where they had lunch together and she took a photo of her “mini me,” and presented him with an award for the city’s best Halloween costume, NBC Chicago reported.

Idris’s parents discovered he had a heart defect shortly after his birth. After several surgeries and treatment at Lurie Children’s Hospital, he was invited to take part in a billboard campaign for the hospital.

The little guy’s image was seen all over town, but his medical battles are far from over.

“He has to take six medications every day, Idris’ father Deunta said, according to ABC 7 Chicago,