Have you been invited to a kid-free wedding? Did you go?

I’m in a tight spot and I need your help.
I detail my dilemma today at BabyCenter.com:
In short, my best friend from childhood has invited me to her wedding in southern California. I would love to fly down to San Diego and party with her! (My little sister, who’s single and child-free, is going for sure).
But [...]