I love the Phase 8 one and think it probably looks better on a real body too. You will know better than anyone what the dress code is and what the other guests are likely to be wearing I think. I'd add a charcoal wrap for the ceremony.
I remember seeing Britney in that video on a huge screen in Topshop Oxford Circus for the first time and I just stopped there in front of the screen like
I was transfixed!
Its a very sexy look, but not sure exactly where you could wear it.