(I’ve Had) The Time of my Life by Bill Medley and Jennifer Warnes is the absolutely classic song in the grand finale of Dirty Dancing. You cannot go wrong including this song in your wedding playlist and it also makes a good first dance song. If you don’t opt for it for your first dance then an hour or so into the evening this will get everyone, old and young singing and dancing.
Have a listen to decide if you want to include it in your wedding playlist (and watch a bit of Dirty Dancing at the same time!):