Thirty-year-old Dan McGurk may be Kid Rock’s biggest fan, especially now. The country singer/rocker/rapper showed up with his band at McGurk’s birthday celebration, giving a young man with Down syndrome the surprise of his life.

The look on McGurk’s face when Kid Rock comes walking up with a pumpkin-shaped birthday cake is priceless. And it’s not like the ‘All Summer Long’ singer wasn’t invited. In August McGurk recorded this video invitation to the singer, showing him why he’s the “No. 1 Kid Rock fan.”

The video has been viewed more than 17,000 times, and some pretty important people were able to get it in front of the singer, who made it happen for McGurk in Clarkson, Mich. on Monday (Oct. 27).

Rock came with gifts, including a baseball cap and custom Kid Rock guitar, which he signed onsite.

"He has everything else, I didn’t know what to get him,” Rock says in the video. Then, his band shows up for what looks to be quite a party. Check out more pics on the official birthday party Facebook page.

Luke Bryan Gives a Fan a Big Surprise