What should i do

I would have a serious talk with both of them individually. I am so sorry that you are going through this. I can't imagine how you are feeling right now. I would mention that they're spending a lot of time together and it is making you uncomfortable.

View Quoted Comment I talked to both of them but they said nothing going on but one of my other friend said that saw them kissing and hugging

I would def do the same thing. Talk individually and find out what's going on. Because spending time with her while you're not there is odd as well as taking her out to eat and to the movies.hang in there!

Maybe ask to see his phone right there and then.just tell him you’d like to put this behind you and you seeing his phone would put you more at ease.then go ahead and check everything!

Wow Ebony sorry you even have to have those feelings.

Going out to the movies and taking your best friend out to eat is weird without you. What best friend wouldn't find that weird. If i'm home and available there is no way my fiance will be out with my bf. (well she might not be your best friend if she is sleeping with him) You are scheduled to marry next year you need to get to the bottom of this and now.

the friend who told you she saw them was it a time they were together? Is she reliable,reputable. what does your gut tell you. If you asked them about it and mentioned that it bothers you that they hang out and they continued I think you have your answer. I know it is hard but you need some closure to this intense situation. Keep us posted and feel free to vent we are here for you.

Wow i completely agree with pp - it's fine to hang out but at the same time if it's YOUR bff then it's strange they do it alone without telling you.

talk to them individually FOR SURE.

hope it gets figured out

No there is a fine line. I do not have many guy friends but I would never hang out with them alone and I sure as heck would not hang out with my FH's friends alone. That is just out of sheer respect. Even if nothing is going on they both need to respect. I am sorry you are going this way but I would find out before marrying.

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Their behavior seems really sketchy to me especially since someone else is telling you that they have been kissing each other. Your "best friend" definitely doesn't sound like much of a friend if she is the other woman. Best friends don't sleep with or kiss their friends significant others. I agree with the poster who said that ask to see your fiance's phone. If he has nothing to hide, then he won't mind letting you see his phone. If nothing is going on like they claim, then going out to dinners and movies need to stop and they shouldn't have a problem with this unless more is going on. Even if there isn't anything going on between them, I completely understand why you aren't comfortable with the situation.

It might not mean much that they hang out. But if you’re not comfortable with it and you tell them that and they don’t respect your feelings, that’s a major issue!

If you have a gut feeling then it is probably right. However, I hang out with male friends all the time with out my FH. And on the occasional time that he is out of town, I'll go out to dinner with his friends (we've all become friends more or less) sometimes they even stay over and sleep on the couch. I find the idea that a man and woman can't be alone together ridiculous. Trust is the most important factor in any relationship. If I even had the slightest feeling that one of our friends was flirting with me, I'd shut it down.
Ask to join them the next time they go out. Or, tag along without letting the other one know. Their reaction will tell you all you need to know.

Ok.......so I know everyone has different boundaries and ideas about what is considered respectful or not. I personally would never just kick it with my FH's best friend without him and he wouldn't kick it with my best friend without me. I think they have crossed a serious boundary and you have already addressed them both about it so they know it makes you uncomfortable. Are they still going out together and is she still at your house all the time after having these discussions? And like another person said, how reliable is the friend who saw them kissing? If you decide you want to look through his phone and he says no or gets upset then I think you have your answer. I honestly think you have your answer already. I hope you get closure. I'm so sorry you're going through this.

I agree with everyone one here. Hanging out with a married or engaged man is innapropriate. Recently, my best friend wanted me to go to dinner with her boyfriend as his married male friend as a group of 4. I declined b/c the 4th person, a man is married and that's disrespectful to his wife; even if it is an innocent dinner. Based on what you're saying, something isn't right. I'm sorry. Can you share more details?

DO NOT MARRY A PERSON YOU DON'T TRUST.

View Quoted Comment But why is this disrespectful? I was literally ignored at 2 weddings by all couples because I attended alone (destination wedding for me). If I even tried to have a conversation with the guy literally sitting next to me his spouse immediately cut me off. How is this respectful behavior? They knew nothing of my relationship or my orientation. I'm truly curious why in the US, women feel this way. I've never experienced this in another country.

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I am not saying talking to someone at a public event is disrespectful but I will ask you, would you want your partner to be hanging out alone with someone of their preference? Even when I was friends with a guy while I was in college, I used to hang out alone at his apt, and when he was in a relationship or vice versa not that I stopped talking to him but I stopped going to his house alone. I do not think it is a US thing I would imagine a lot of women would have an issue with their man hanging out alone with a female even if they were friends prior. I would ask were they friends before the OP started dating her fiance? If so, then maybe I would understand but if not that is odd. I know men would not want their woman hanging out with a man alone either at least my FH would not be happy with it. The reality is this, there are men and women who could careless if someone is in a relationship and will try to take someone's man or woman. That is why probably those woman cut you off. I am not saying I would do that but for them they probably did not know you and wanted to know why a woman out of the blue was talking to their guy (granted I do not know the context behind it). Just in my opinion I say disrespect because I feel you should not give your partner any reason to question if you're being faithful. Everyone is different but would you really be okay if you partner hug out with someone without you a lot???