Wedding crasher

One of my friends is getting married this summer. And he has chosen all of his groomsmen. But there is a problem. I am not even sure that this friend is aware of the problem though. You see one of the dudes he has chosen to be his groomsmen is not on board with this wedding. In fact he very blantantly is against it. He has even said that once the wedding is over, he and this friend of mine will no longer be friends.

So here is my issue with this. They both are friends. Have been for a very long time. And yet I believe they are both slipping away from the friends they used to be. But as a groomsmen you are publicly saying I agree with this wedding. I believe in my two friends getting married. And I am fully supportive of this marriage. But this one friend is not supportive at all, in fact he is pretty much jealous of this wedding (in my opinion).

So what do I do? Do I tell my buddy who is getting married about his unsupportive friend? Do I confront the unsupportive friend?(this I have tried to do a little bit) Or do I sit back and watch this bomb ignite, light, and go off in the next couple of months...


HMMM...

Wedding crashers!!! Hate em'