I've seen a few versions of Beyonce's Single Ladies in my time. This gets a special nod because of the number of people, folksy venue, and distracting lack of pants. Oh and there's a really cute proposal at the end.
Kimberley says: "My Border Collie, Brae, was very jealous that he wasn't included in the first dance."
Tina Turner herself would stand up and applaud.
In some ways I feel like nailing the choreography to a really elaborate number like this would be more stressful than the whole "getting married" thing.