Activity for Kara

My fiancée has a 12 year old son and I want dance with him at the reception. I’m having trouble finding a song that’s appropriate.. I was going to do something fun and fast but he’s pretty shy so I think we need something slower. Any suggestions?

We are getting married out of town (drivable distance) and decided to do a more informal fiesta type party instead of a rehearsal dinner. We are inviting everyone. The party is 3 hours long, and we are going to pay for drinks for the first hour,...