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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

Original poster

To ask for examples of the worst behaviour you've seen from an adult at a wedding?

931 replies

HappyHappyHawaii · 08/02/2026 20:36

Attended one yesterday as a bridesmaid. The brides cousin was also a bridesmaid, spent the whole morning clearly aggrieved that the day wasn't about her... smoked in the getting ready suite and had to be told to put it out, then lit up again and claimed she had forgotten when the bride told her and made a snarky comment..then presented her silver converse she had customised to wear with her dress as she "doesn't really do heels"... the bride ignored her and sweetly said "at this point I don't think I can stop you" as she knows what she's like then what do you know, she wears the heels! There were loads of instances like this all day and she is 28 but seemed to want to just be am inconvenience all day which I assume was jealousy...even little things like being late for photos and pretending not to hear when called over, pushing the food round her plate, really ungracious behaviour. The wedding was fantastic! She could have really enjoyed it much more. Not really an aibu but whats the worst behaviour youve seen like this?

OP posts:
JustGiveMeReason · 08/02/2026 20:41

Worst I've seen at a wedding was back in the 70s and the Father of the Bride who had had far too much to drink ended up physically fighting with someone.

I was Shock I tell you. I was young and innocent and didn't know things like that happened anywhere, let alone at weddings.

Vallmo47 · 08/02/2026 20:45

I was the bride and first my dad spent the drive to the venue talking about pension plans which ruined the moment and then he went in search of a knife to cut our wedding cake with. No, it hadn’t been touched yet.

OneNewEagle · 08/02/2026 20:48

There’s been a ton over the years. Many within my own family can’t get into those as completely outing. But think fights. Decades ago I used to work in a bar that held wedding receptions every wedding had something. Far too many drunk people, fights, rows, nasty friends I assume jealous of the bride, swearing, yelling, proper punch ups, people leaving with different person than they came with. I always felt so sorry for the brides….I am yet to marry lol

properidiot · 08/02/2026 20:51

The groom walking into the registry office waiting area where all the guests and the bride were and announced that there would be no wedding today. He said he had tried to tell the bride and his mother that he didn't want the wedding but they didn't listen (her parents were absent ...) Groom then went to the pub over the road with his mate and someone else went to the same pub to get the distraight bride a brandy.

Groom came back after 20 minutes and said there would be a wedding after all but he wasn't going to the reception.

Reader, she actually married him! Bizarre. Needless to say, it didn't last!

winkywanky · 08/02/2026 20:52

Years ago I went to a wedding evening do and the father of the bride let the fire alarm off deliberately. He was a very odd man!

CurlyhairedAssassin · 08/02/2026 20:52

Did that bridesmaid have bad social anxiety, OP? The behaviour does make me wonder. Weddings, particularly being part of the main bridal party, are the worst for bringing that out.

Surreyblah · 08/02/2026 20:55

A friend’s wedding, people in early 30s, one friend (guest) disappeared for ages between the ceremony and reception, came back morose, not engaging with anyone and saying to all and sundry they were depressed by ‘all the homelessness’ in the city the wedding was in, then left at 8pm. Another (also a guest) spent a good few couple of hours weeping over her love life: in the main room the whole time. no recent break up or anything.

think both could have been experiencing depression at the time but it was rude!

Jumimo · 08/02/2026 20:56

James Corden walking around the reception area (wedding at big posh hotel - he was a hotel guest, NOT a wedding guest) talking very loudly into his phone, making sure everyone could see (and hear) him!

Hoppinggreen · 08/02/2026 21:00

Friends wedding
Her Dads friends turned up late to the Reception and walked in with what looked like young Thai prostitutes. Dad got up from the top table and went and sat with them, got drunk and they all heckled the Groom with Racist comments.
A lot of the wedding party missed the details but my friend sitting next to me spoke their language fluently and translated for me

TheIceBear · 08/02/2026 21:01

I was at one where the best man basically brought up that the groom cheated when he was younger in his speech. It was so embarrassing

MrsLizzieDarcy · 08/02/2026 21:03

Family friend's wedding - the groom's father had died some 10 years beforehand, but the groom and his Mum insisted on an empty chair on the top table, massive photograph of him on a frame in front of the table, and the groom's speech was like a eulogy. Brought the mood down completely and the day never recovered. We came away feeling we'd been at a wake rather than a wedding reception and we couldn't face going back to the evening do.

NotDarkGothicMama · 08/02/2026 21:04

A female guest turning up midway through the very religious ceremony wearing a dress so short we could see her arse cheeks. Grim attention seeking.

SunCreamQueenie · 08/02/2026 21:05

A cousin of mine married a wrong 'un who did the following on his own wedding day

  1. Made a speech about how lucky we all were to have met him but didn't mention his new bride.
2.Made a pass at some random woman at the reception who nobody seemed to know... 3.When "Simply the Best" came on he started a striptease and then got his Dad up to join in (which he did) I was BF at the time so the only sober person there. I was traumatised!
FlappyThing · 08/02/2026 21:05

Friend of the groom whipped his penis out, put it in a bread roll, buttered it and went round the tables offering it to old ladies.

Original poster
HappyHappyHawaii · 08/02/2026 21:06

properidiot · 08/02/2026 20:51

The groom walking into the registry office waiting area where all the guests and the bride were and announced that there would be no wedding today. He said he had tried to tell the bride and his mother that he didn't want the wedding but they didn't listen (her parents were absent ...) Groom then went to the pub over the road with his mate and someone else went to the same pub to get the distraight bride a brandy.

Groom came back after 20 minutes and said there would be a wedding after all but he wasn't going to the reception.

Reader, she actually married him! Bizarre. Needless to say, it didn't last!

Omg!!! The poor bride! What a horribly cruel man

OP posts:
ReignOfError · 08/02/2026 21:07

I used to waitress at at a wedding venue, and have many hair-curling memories. One of my favourites was walking into a storeroom during the reception to find the groom and one of my colleagues happily shagging.

ScarlettSarah · 08/02/2026 21:08

My DSD's mother failed to turn up at a friend's wedding because she was drunk. So not 'at' the wedding, but still pretty poor.

Original poster
HappyHappyHawaii · 08/02/2026 21:10

CurlyhairedAssassin · 08/02/2026 20:52

Did that bridesmaid have bad social anxiety, OP? The behaviour does make me wonder. Weddings, particularly being part of the main bridal party, are the worst for bringing that out.

Not sure but tbh her behaviour was judt inexcusable, too creative and jealous to just be bad social anxiety. She didn't need to bring the shoes or critique the food etc, just so rude when someone's spent so much on their day. She even told everyone the bride changed her hair style choice on the morning, like who cares? Was very odd she was going around saying 'the bride was really relaxed this morning, she went for hair up when she had practiced down!' to about five different guests which was really getting in my nerves when I heard her, I thought why not just say she looks beautiful?

OP posts:
SalmonOnFinnCrisp · 08/02/2026 21:10

My cousins wedding.

The MOGs dress "broke" on the day so she wore a pure white dress that was so short you could see her arse to the church for the wedding then changed into a equally short black dress.

She was shitfaced by 3pm and was doing slut drops the random blokes by 6pm... then she got caught by hotel staff doing coke and giving some fella a blowie in the toilets after dinner.

5yrs on She actually seems to be an okay MIL according to my cousin and the groom is THE nicest man you'd ever meet. 🤷🏻‍♀️
My husband who wasy boyfriend at the time was like 🤯 the whole day... and I had to keep explaining they werent my family.

Original poster
HappyHappyHawaii · 08/02/2026 21:10

ReignOfError · 08/02/2026 21:07

I used to waitress at at a wedding venue, and have many hair-curling memories. One of my favourites was walking into a storeroom during the reception to find the groom and one of my colleagues happily shagging.

Lmfao hahaha

OP posts:
wheresthesnowgone · 08/02/2026 21:11

FlappyThing · 08/02/2026 21:05

Friend of the groom whipped his penis out, put it in a bread roll, buttered it and went round the tables offering it to old ladies.

You win the internet today Grin

RS1987 · 08/02/2026 21:11

Groom’s brother was his best man. He brought his girlfriend he’d been with for about 6 weeks as his plus one. Best man’s job to drive the newly married couple from the wedding to the reception. Girlfriend turned up at the wedding wearing a white maxi dress and tiara and was annoyed she couldn’t drive to the reception in the same car as her boyfriend and the bride and groom and tried to get into the passenger seat anyway.

BlackCat14 · 08/02/2026 21:11

Best man’s speech was incredibly overly sexual, gave away one too many things about the bride and grooms sex life, particularly from their early days of dating. Wasnt funny at all, totally missed the mark. Brides brother ended up punching him.

IsThisLifeNow · 08/02/2026 21:15

Probably me. I was nervous as my ex was going to be there, drank too much wine and vomited outside while the groom held my hair!

I did however have a great time apparently, was a hit on the dance floor and great fun, and noone much noticed the outside vomiting. I was mortified and spent a lot of time apologising to my friend and his new wife, who was also a friend, but not as close. We're still friends and they occasionally take the piss out me for it still

CypressGrove · 08/02/2026 21:16

The groom's father did his speech about how the new bride had given his son an ultimatum to marry her or break up and how he thought his son had made a massive mistake marrying her.

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