Sibling Conflict: Should I Skip My Sisters Wedding Over Fiance Drama?

A 28-year-old woman is staring down one of those “support your sister no matter what” moments, except her sister’s fiancé is the problem. And it’s not a tiny vibe issue either, it’s a full-on pattern of badmouthing and rumors.

OP says her older sister, 30, met John a year ago, and from the start she clocked red flags. Then things got real when OP found out John was spreading lies about her to the rest of the family. She confronted him, he denied everything, and her sister immediately took his side, turning a calm talk into a blow-up argument.

Now OP has to decide whether skipping the wedding makes her the villain, or the only person calling out the mess.

Original Post

I (28F) have always had a tense relationship with my older sister (30F). For background, she met her fiance, John, a year ago.

From the start, I got bad vibes from him, but I tried to keep an open mind. Recently, my sister and John announced they're getting married in a few months.

The issue started when I discovered John was badmouthing me to my family, spreading lies and rumors. I confronted him calmly, but he denied everything, and my sister took his side.

This led to a big argument, and I told my sister I couldn't support her marriage while he's causing division in our family. She accused me of being selfish and unsupportive.

Now, I'm torn between standing up for myself and supporting my sister on her big day. So, AITA?

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This also echoes a woman refusing to attend her sister’s wedding after a family opinion clash.

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OP tried to stay open-minded about John after that first wave of “bad vibes,” but the moment the rumors hit the family group, the tension turned into something sharper.

When OP confronted John and he denied it, the real twist was that her sister believed him instead of her, so the conflict stopped being “fiancé drama” and became “family vs family.”

So now OP is weighing whether to show up for her sister and pretend nothing happened, or skip the wedding and let everyone finally see what John has been doing.

We'd love to hear your take on this situation. Share your thoughts below.

If John keeps running his mouth, OP might be the only one smart enough to protect her peace on wedding day.

Wait until you read how one sister chose neglectful parents over her sibling, so she skipped the wedding.