[nopardons]

But the whole "gimmick" on this movie, is that they attend the wedding AND the cocktail hours and the dinners and the family get togethers.

But yes, just going to a wedding, crashers could do that. And yes, some people ask lots of people to attend the wedding, but DO NOT have them to the rest.

[Quick1]

But the whole "gimmick" on this movie, is that they attend the wedding AND the cocktail hours and the dinners and the family get togethers.

Meh, that's why it's a movie, and not real life.