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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

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:
WalkingThroughTreacle · 09/02/2026 10:47

Bride and groom got into a drunken argument at the reception. Bride stabbed groom with wedding cake knife. Bride arrested and groom ambulanced away to hospital. Sporadic fights broke out between members of the respective families over the course of the rest of the evening.

Beachtastic · 09/02/2026 10:47

GrumpyButOk · 09/02/2026 01:02

Really hoping it doesn't turn out to be David Attenborough

Same first name, but surnae begins with F, unless I am mistaken!

Lavender14 · 09/02/2026 10:50

Another guests plus one who noone knew apart from her other half got hammered and tried to start a food fight by throwing food at other guests. When challenged she doubled down and was adamant it wasn't her even though the whole room had seen her standing up lobbing potatoes.

Daisymae55 · 09/02/2026 10:51

My cousin (who was a bridesmaid) spent my wedding slagging me off to all who would listen and saying I was throwing my life away.

She also spent the whole weekend flirting very obviously with my sister in law (my other bridesmaid’s) boyfriend. He kept shooting her down but she kept on trying.

Unsurprisingly I’m NC with her now.

IAmTheStreets · 09/02/2026 10:52

Haven't seen this with my own eyes, but my mother told me that her collegues' husband was so attached to his mother she wore a dress close to white wedding gown to the wedding and the picture of him with the bride and his mom looked super odd, it was like he was accompanied by two brides or something. No wonder said collegue divorced him in two years!

tryingtobesogood · 09/02/2026 10:54

Twinkletopz · 09/02/2026 10:44

I remember poor Kayleigh who’s fiancés Simon spent so much money on himself and best man trip to Vegas that there was not enough money left to invite Kayleigh’s brother to her wedding. She seemed like a nice long suffering woman - I hope she ditched the fool and life has been kind to her

I googled them and unsurprisingly they sit up after 9 months. I’m sure the TV producers egged him on and pushed her to go through with it.

Abustedflush · 09/02/2026 10:55

Mine was lovely, but very naughty behaviour.
My favourite auntie managed to get hold of the key to the bridal suite, and whilst we were downstairs enjoying the party, she, together I suspect with my other aunties completely covered the room and bed with loo roll! Probably the hotel’s whole weekly supply!
My husband and I really did see the funny side and it’s a very happy memory, but it was outrageous behaviour. Smile

TheUsualChaos · 09/02/2026 10:56

Some of these stories are incredible. Weddings really do bring out the worst in people. We had a few mishaps at our wedding and the photographer was a bit shit but reading this thread makes me feel like it was all a resounding success! 😆

I think @CrocsNotDocs story wins it for me. That could seriously make an excellent finale episode to a drama series. The groom finally giving his awful family what they deserve and then married happily ever after. Bravo!

Fernticket · 09/02/2026 10:57

BlueEyedBogWitch · 09/02/2026 04:39

It would have been a bit dry otherwise.

🤣🤣🤣🤣🤣. We need the laugh emoji back.

Nanny0gg · 09/02/2026 11:01

SomeoneCalled · 08/02/2026 21:36

i agree - it is not for everyone

Then politely refuse?

CitehCitehCiteh · 09/02/2026 11:03

DDad and I attended a “vairy posh” wedding and he’d spent a fortune on a new suit.
I (aged 14/15) spent the evening slyly drinking whatever I was given. We were on a coach journey home… I am not a good traveller even when sober. DDad kept asking if I was alright and of course “ I was fine..”
When the cold air hit me, I turned to him and vomited all over his prestigious new suit!
I burn from the shame nearly 50 years later😱

The vomit stained the pavement for months after and I had to pass by it numerous times a week.
Poor Dad… he never shouted at me, but the stains wouldn’t came out and the suit was binned.

asco · 09/02/2026 11:04

Jesus, we are in the process of setting up a unique wedding venue, restored building for the venue and a fair amount of accommodation on our land and this thread has me panicking.
Wonder would I get away with an alcohol free venue?????😂

CitehCitehCiteh · 09/02/2026 11:05

To add…

Why does “the fresh air” suddenly make you more drunk or very vomitty??

I’ve always wondered this🤔

GETTINGLIKEMYMOTHER · 09/02/2026 11:09

A best man’s speech that was far too long and contained derogatory remarks about the groom (probably supposed to be funny, but weren’t) and an even longer one from a bridegroom, containing very tasteless remarks about his or her sex life. Again, supposed to be funny, but just embarrassing - the bloke loved the sound of his own voice.
And dh had already gone through his speech and made him take out the worst bits!

All over-long wedding speeches. As my DF used to say, Stand up, Speak up, Shut up.
IMO there should be a law to limit them to 10 minutes max - or preferably, five.

Bubble678910 · 09/02/2026 11:10

I went to a wedding last year where a couple of the people we were sat with were clearly peeved that they hadn't been asked to be part of the wedding party. Spent the entire time criticising the food, talking loudly over the speeches, talking about how terrible the venue was etc (it was an absolutely beautiful wedding in a stunning location!!). I was absolutely horrified.

My DH went to one with an ex-girlfriend and she too spent the entire time slagging off the venue/the dress/the bride's hair/the vows....pretty much everything. He split up with her a week later!

Squirrel60 · 09/02/2026 11:11

Some years ago, I was invited to a Reg Office wedding. The bridezilla and groomzilla were already arguing on their way into the building, arguing while they had to wait a couple of minutes outside the office for the Reg woman to do something, then, when in the actual wedding, the atmosphere between them was horrendous.

Then, when it came to the ''do you take...'' they both just very dully barked 'yes''. then they continued arguing as soon as they'd signed the document and were on their way out, still arguing

All guests and the Registrar woman looked shocked and uncomfortable from beginning to end. Absolutely awful people as a couple and singularly, and an awful wedding. I never had anything more to do with them.

Bubble678910 · 09/02/2026 11:11

Oh and another one where the best man's speech was really rude! It was a big family wedding with kids, grandparents, aunts and uncles etc. I know the groom and he hasn't spoken to him since 😂

oncemoreuntothebeachdearfriends · 09/02/2026 11:18

I was witness at a "death bed" wedding in the couple's home.
Groom was seriously ill, sitting in a chair in his PJs, when...... guess what popped out ?
The 2 Registrars , & the guests, just carried on with no sign they had noticed.

Gonnagetgoingreturnsagain · 09/02/2026 11:20

Nothing but at DB’s wedding two of his friends were doing dirty dancing apparently which didn’t impress my mum.

DoubleShotEspresso · 09/02/2026 11:21

Beachtastic · 09/02/2026 10:47

Same first name, but surnae begins with F, unless I am mistaken!

You are mistaken, not beginning with F, no.

JessieLongleg · 09/02/2026 11:23

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.

I think our dad's would get on haha

LeedsLoiner · 09/02/2026 11:24

tryingtobesogood · 09/02/2026 10:54

I googled them and unsurprisingly they sit up after 9 months. I’m sure the TV producers egged him on and pushed her to go through with it.

A work colleague was on DTTB and said that the production team actively encouraged him and his best man/mates to do stupid stuff - what the producers didn't know was that he was in contact with the bride all through the process and she was in on everything.
They used the payment from the TV company to pay for their "proper" wedding.

Bloozie · 09/02/2026 11:25

We asked for dietary requirements ahead of the wedding and the best man's girlfriend confirmed that she had none.

On the day, she cried when her main meal came out as she doesn't like lamb. She didn't fancy the vegetarian option either. So asked the venue if they'd make her something else entirely. Which bless them, they did. I was flabbergasted at the entitlement.

She also spent the evening crying in the loos because she thought one of the other guests fancied her partner. It should be noted she was in her late 40s at the time.

Also at my wedding. Some American guests disappeared between the service and the meal - for about 3 hours, significantly delaying the whole meal (my husband's brother, flew in specially). Turns out they wanted to go to Marks & Spencers as my sil likes their knickers.

Womanofcustard · 09/02/2026 11:27

The groom found outside snogging his best man!

katseyes7 · 09/02/2026 11:28

Mine's very tame compared to some on here.
My (now ex) husband's brother's wife didn't like me (my husband thought the sun shone out of her) and made it very plain, which my in laws and my now ex seemed utterly oblivious about.
I was only having one bridesmaid (a cousin), but a couple of months before the wedding, my mother in law to be (who was lovely) and this sister in law announced that a neighbour had given them some pre-war satin (which just happened to be the same colour as my bridesmaid's dress) and 'would l mind if they made a little dress for their one year old to wear at the wedding?'.
I felt like l couldn't say no, so agreed. Everyone at the wedding was asking if she was a little bridesmaid, which was clearly SIL's intention. I'd barely even seen the little one, SIL had been very evasive about us meeting her in the year since she'd had her.

Also while we were taking our vows the little one started screaming, and according to the people who were sitting behind them, SIL made no effort at all to calm her or take her out.
Conversely, my friend's 3 week old baby was in his pram at the back of the church and we never heard a peep out of him.