Married Couple Separated Right before wedding:(

If the wife has any common sense, I assume she won't come. Put her at another table with other friends or people she'd get along with. You can't uninvite her.

We had this happen. We didn't know until after the save the dates went out. It was H's friend who is pretty private. Friend messaged H and said "hey buddy, L and I aren't together anymore. I'll be bringing C instead if that's ok". He apologized for our mistake but since we didn't know, the friend was OK with it. We adjusted the invite to have the correct person's name (the ex W didn't even see the invite because she moved out prior).

I highly doubt that the ex W will come as well but sometimes all this can be sorted out with a simple conversation. Your friends should talk with the groomsman and find out what they will be comfortable with.

ETA more info

Agreed. You can't uninvite someone, but you can move where they were going to sit. You should assume she wouldn't put herself in that situation but you never know, so account for her to come just in case. They will just have to act like adults for the evening if she does decide to come.

I've had 2 couples divorce and 2 couples split up since save the dates went out...ughhhh...I'm following for advice too

I think this is a it depends situation. Are you close with the wife? It would be unfair to uninvite her if you are friends (and just in general). I would sit them at separate tables. If you're not close, she'll decline coming likely.

H's cousin and his wife split up last summer but they didn't tell anyone in the family. We mailed the invite to both of them, and only the cousin came with the rest of his family. We figured that his wife needed to stay home with their son, but they actually had split up already...the cousin told H about it the night before our wedding when they were hanging out at the bar. I felt a little bad that I mailed the invitation as Mr. and Mrs., but no one in the family had any idea that they weren't together anymore

It's an awkward position to be in. I doubt the wife will come, but I don't think they should uninvite her. If she does decide to come, just sit her far far away from the GM.

They have already invited her so that is what it is. I would think its highly unlikely the soon to be ex-wife would attend now, especially given that the relationship with the Bride and Groom seems to be from her soon to be ex-husband. But they should prepare for the possibility that she will be coming. I agree seating her at a different table would be best.

You can't uninvited the wife. Call and see if she'd like to be reseated next to someone, but bank on her not attending. Overall, let them be adults and trust they have enough sense to keep their divorce out of you friend's wedding.

Unfortunately you can't invite the ex-wife, but hope that they won't attend. I know of a couple that was going through a divorce and both invited to the wedding because they both were close to the couple. Both brought dates. The bride knows their friends, but please tell them to be prepared for anything (like the couple bringing dates).