Dear {Recipient},

First of all, congratulations on your wedding! It was wonderful seeing you and {name of spouse} tie the knot {yesterday/this past weekend/etc.}.

I also want to extend my apologies for acting inappropriately during the {ceremony/reception}. I don't know what I was thinking when I {got aggressive during the bouquet toss/complained about the food/forgot to put my phone on silent/got in the way of the photographer/etc.}.

I'm sorry for causing trouble on your big day. Please let me know if there's anything I can do to make it up to you.

Apologies again,
{Your Name}

Dear [Name],

I am writing to express my sincerest apologies for the unacceptable clothing I wore to your [event/occasion]. It was never my intention to offend or disrespect you or anyone else in attendance, and I regret my poor judgment in this matter.

I understand that my clothing was inappropriate for the occasion and I take full responsibility for my actions. I can only imagine how embarrassed and disappointed you must have been, and I am truly sorry for any discomfort I may have caused.

I am deeply ashamed of my behavior and I can assure you that it will never happen again. I have already taken steps to ensure that I will not make the same mistake in the future. I have taken the time to reflect on my actions and I am committed to making better choices in the future.

I understand that my actions have caused you pain and I am truly sorry. I hope that you can find it in your heart to forgive me. I value our relationship and I am committed to rebuilding your trust in me.

Once again, I apologize for my inappropriate clothing and I hope that you can accept my sincere apology.

Sincerely,

[Your Name]

Dear [Name],

I am writing to apologize for my unacceptable dress at [event]. It was never my intention to offend or disrespect anyone, and I regret that my choice of clothing caused any discomfort.

I understand that the dress code for the event was [describe dress code], and I should have been more mindful of that. I understand that I should have been more considerate of the other guests and their feelings. I am sorry for not being more aware of the expectations and for not adhering to them.

I understand that my actions were inappropriate and I take full responsibility for my mistake. I am deeply sorry for any embarrassment or discomfort I caused. I will be more mindful of my clothing choices in the future and will make sure to follow any dress codes that are in place.

I hope that you can accept my apology and forgive me for my mistake. I understand if you are unable to do so, and I will accept whatever consequences come my way.

Sincerely,
[Your Name]

Dear [Name],

I am writing to express my sincerest apologies for my inappropriate attire at your wedding. I understand that I must have caused you and your family a great deal of embarrassment and I am deeply sorry for that.

I had no intention of disrespecting your special day and I can only offer my sincere apologies for my mistake. I am aware that my attire was not suitable for the occasion and I should have taken more time to think about what I was wearing.

I understand that my lack of judgment has caused you and your family a great deal of discomfort and I am truly sorry for that. I hope that you can find it in your heart to forgive me for my mistake.

I can assure you that I have learned from my mistake and I will be more mindful of my attire in the future. I understand the importance of dressing appropriately for special occasions and I will make sure to do so in the future.

Once again, I am deeply sorry for my mistake and I hope that you can find it in your heart to forgive me.

Sincerely,

[Your Name]