Sure, you split up with your ex on supposedly "good terms" which is why they took the time to invite you to their wedding, but you're not really going to go, are you? You'd just feel incredibly out of place, get too drunk, and make a fool of yourself...not that I am speaking from experience.
Anyway, my definitely-fictional traumatic wedding experiences aside, please enjoy these 30 things that were more out of place then you at your ex's wedding!