This question is strange to me. Do people usually pick the music for other folks' wedding receptions? I mean in this particular case we do in fact all kind of know you, Steph, and you are actually getting married soon, but as a general question of the day… yeah, anyway.

My mix would probably include some stuff like:
We End Up Together – The New Pornographers
Mountains – Biffy Clyro
Pursuit of Happiness – Kid Cudi
and I dunno, maybe Barbara Streisand – Duck Sauce, because how can you not dance to this:

Edit: Damn it Youtube, where's my video. :( Click here instead.