Of course, it probably went horribly wrong because it was staged.
But that aside: everyone involved does a very convincing acting job in this video, which has understandably gone viral. And it's worth watching alone for a) the moment when a mall train goes by and b) the priceless (and presumably unstaged) comment from a bystander at the very end.
Also on HuffPost:
Here comes the (half-naked) bride
Cake-cutting can be hazardous
The best man ruins everything
No, it's lucky, honest
When groomsmen show off
A toast to remember
Warning: Wedding dresses are flammable
When zips go wrong
We know we shouldn't laugh, but...
Never work with (gassy) children or animals
I wanna drop the bride!
At least he broke her fall...
Let's get this party started! At some point!
Take thee, a laughing hyena...
When lack of rehearsal shows
Wedding cakes are heavier than they look
NEVER pole dance at a wedding