This is a very inappropriate situation. Firstly, it shows a lack of respect for herself. A person should maintain a certain level of dignity in social interactions. Secondly, it may also make the friends feel awkward. They might not know how to react properly. In a proper social environment, people should be dressed appropriately.
No, it's not appropriate at all. In most social and cultural norms, being topless in front of others, especially friends, is considered improper and violates the basic sense of privacy and propriety in a relationship.
This is a very uncomfortable situation. It's important to handle it delicately. If it was an innocent mistake, like your wife was changing in a place she thought was private but your friends accidentally saw her, then you can try to resolve it with understanding. But if it was something more inappropriate on your friends' part, you may need to re - evaluate your friendship with them. At the same time, support your wife through this embarrassing incident and make sure she doesn't feel overly blamed.
Perhaps she was under some sort of mental stress or had some psychological issues that made her act in such an abnormal way. Another possibility is that there was some miscommunication or false influence from others who might have given her wrong ideas about how to interact with guests.
You should have a serious conversation with your wife about why she did this and how inappropriate it was. Set clear boundaries about acceptable behavior in the future.
If this happened, it's a big issue. You need to address it immediately. Sit down with your wife and explain how her actions made you feel. It could be that she was trying to be overly friendly or perhaps she didn't think it through. With your friends, make sure they know this is not okay and that you expect them to respect your relationship and your wife's appropriate behavior.
It's a very concerning situation. Firstly, you need to figure out why she did such a thing. Maybe there was some misunderstanding or she was under the influence of something. Then, you should firmly state your boundaries and expectations to her and also communicate with your friends about the inappropriateness of this situation.
This is highly improper. In most social and cultural norms, being topless in front of friends is not acceptable behavior for a married woman. You need to address this situation immediately. For example, you can set some clear rules at home about appropriate clothing in front of others. And also, you should make sure your wife understands the importance of propriety in such situations.