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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To cancel DD’s birthday party because I know her dad will ruin it?

264 replies

SynthWaveX · 25/09/2026 15:35

DD is turning 10 next Saturday and I’ve booked a little party for her which she has been excited about for weeks. There will be about 10 girls from her class and her cousin, so 11 children altogether. It’s only a 2 hour party at the local community hall, with a cheap entertainer, pizza and cake. DD picked the theme and has been very clear she wants it small and just her friends, no adults making a fuss.

The problem is it falls on her dads weekend. We’ve been separated about 4 years and he normally has the DC alternate weekends. I had already agreed I’d do the party and he could have DD afterwards and take her out for dinner, presents etc. I genuinely thought that was a reasonable arrangement. He does see her regularly and I’m not trying to stop him being part of her birthday, I just thought the actual party could be the thing I had organised.

A few days ago he asked if his parents could come. I said the hall is quite small and it’s a drop off party, so I didn’t think extra adults would work. Then he said his GF and her 2 children would be coming too. Her children are about 7 and 4. DD apparently got upset when he told her and later said to me she didn’t want them there because “it’s my party and I don’t know what I’m meant to do with them”. She just wants it to be her friends and cousin, which is what we had planned.

There have been a few similar things before. He does have a habit of making things into quite big family occasions. Last Christmas he brought extra relatives along to something I’d arranged without checking first, and at DS’s school event he turned up with several people which was a bit chaotic. I’m not saying he doesn’t love the children because he does, and DD loves seeing her grandparents too. I know they enjoy having her and I’m not trying to keep them away. It’s just that sometimes he seems to think every event has to include everyone.

He said his parents haven’t seen DD for a little while and were looking forward to her birthday, and that I was making him look bad in front of his family. I said they can see her, and that he can have her straight after the party and take her for dinner and cake and give her presents etc. He then said he is her dad and shouldn’t have to “book an appointment” to attend his own daughters birthday. I did get annoyed at that because I’m not stopping him seeing her, I’m saying he can’t just add 4 extra people to something that was planned as a small party.

The hall has a proper maximum capacity and I’ve already paid for it, the entertainer, food and the cake. It isn’t just me being fussy about having extra people there. If all the children come plus me and the adults he wants to bring it would be over the number we’re allowed. He says some of the children won’t take up seats anyway and I’m being ridiculous about it. I’ve told him he can come on his own if he wants to, but he says that’s not the point because his family should be there too.

DD has now started saying she doesn’t even want the party. She said she’d rather I cancel it and take her shopping and for lunch with me. I honestly feel sick about it because she was so excited before all this started. I know she is only 10 and obviously doesn’t understand all the adult stuff, but I hate that she is now upset about something that was meant to be for her. It feels like whatever I do I’m going to make it worse, and maybe I already have by arguing with her dad about it.

DP thinks I should just stop negotiating with him and have the party as planned, and if he doesn’t want to come then that’s his choice. My mum thinks cancelling would be unfair on DD because she shouldn’t lose her party just because her parents can’t agree. I haven’t told the other parents anything yet because I don’t want to start making a drama out of it when it might still be sorted. I’m also annoyed because I’ve saved for this and already paid for everything, so cancelling it feels ridiculous, but obviously that’s not more important than DD being happy.

I’m now thinking I should just tell him he isn’t invited if he is bringing everyone else, keep the party exactly as planned and let him have DD afterwards. But then I worry she’ll feel like I deliberately excluded her dad from her birthday. The other option is cancelling it all and doing something with her instead, which she is now saying she wants anyway. I know how this sounds and I might be completely unreasonable here, but am I actually the one who’s ruining her birthday now? AIBU to just say no to all the extra people and carry on with the party?

OP posts:
Hoppinggreen · 25/09/2026 15:38

He shouldn't be invited at all, he can see her afterwards as arranged as can anyone else (ie his GF and parents)
Its one great part of having divorced parents, 2 Birthdays
Why are you still letting hm control everything?

ChestnutSquash · 25/09/2026 15:41

You should have booked on your weekend and not told him. Can you cancel?

Credittocress · 25/09/2026 15:41

Given you know his form, you never should’ve arranged it on his weekend regardless of his assurances.

PrizedPickledPopcorn · 25/09/2026 15:41

Yes, tell him he isn’t invited, and he’s welcome to organise the party next year.

donotknowhowtofeel · 25/09/2026 15:41

Just have the party you planned and DD wanted. Let him have his own birthday celebration with your DD afterwards to which he can invite all and sundry. I realized very quickly that no one - not even the child as we often mistakenly think - benefits from trying to do these things 'together' as separated parents. It will just end up causing upset, awkwardness and painful memories.

OhJacintaWhatNow · 25/09/2026 15:42

Why did you book it on his weekend?

TFImBackIn · 25/09/2026 15:44

No, I'd say he could pick her up from the party and take her to do something with the grandparents then, if he wants. He and his parents can't crash a 10 year old's party!

Wannabemornighmum · 25/09/2026 15:45

He can like things being big family occasions, that’s just a different opinion to you! I agree it’s his weekend you’re going to have to give leeway, none of it is that big a deal, the less drama the better on her birthday

Wannabemornighmum · 25/09/2026 15:47

Ps his parents are her GPs too and he’s her dad, he has every right to want to be part of a birthday, roles reversed and people would be going nuts!!

MagicUser1 · 25/09/2026 15:47

The problem is that you want him to be reasonable and accmodating, and he is not interested in that. So yo uhave to do what is best for DD and tell him that no, he can't have all these people and that you have booked and paid for a party that is JUSt about DD and her friends and that if he wants to do a family party he is very welcome.... and then acept that yes, he will be unhappy and will give you a hard time.

Next time, definitely plan a friends party on your weekend and say nothing to him at all.

Moreholidaysthanjudithchalmers · 25/09/2026 15:47

He sounds hard work.
It’s a girls party the equivalent of her going out to an activity with them. Can you say she’s wanting friends only and a bit more grown up. If he wants celebrate afterwards with everyone there that’s great but it will really alter dynamics of party if he brings extra people.

SynthWaveX · 25/09/2026 15:47

OhJacintaWhatNow · 25/09/2026 15:42

Why did you book it on his weekend?

Because we have always swapped weekends around for birthdays and things, it didn’t really occur to me that it would be a problem. Her birthday is next Saturday and that was the only date the hall had that worked for us, plus it was the date DD wanted because of the school friends she invited. I did tell him before I booked it and he said that was fine, which is why I’m a bit taken aback by it all now. I wasn’t just booking it behind his back and then telling him he couldn’t see her.

OP posts:
sittingonabeach · 25/09/2026 15:49

Hoppinggreen · 25/09/2026 15:38

He shouldn't be invited at all, he can see her afterwards as arranged as can anyone else (ie his GF and parents)
Its one great part of having divorced parents, 2 Birthdays
Why are you still letting hm control everything?

It's his weekend though. That muddies the water

JustGotToKeepOnKeepingOn · 25/09/2026 15:49

Why on earth did you book it on his weekend? Sadly that was your first mistake. Never do that again. Honestly? I’d cancel. Or move it to another weekend and don’t tell him. He can have DD on her birthday and do what he wants with his family. You have the party that DD wants on another day. Mixing an Ex and his girlfriend’s kids at DDs party is an absolute recipe for disaster. So unfair on your DD.

MagicUser1 · 25/09/2026 15:49

Wannabemornighmum · 25/09/2026 15:47

Ps his parents are her GPs too and he’s her dad, he has every right to want to be part of a birthday, roles reversed and people would be going nuts!!

This is such rubbish. DH and I are married and both have families we're close to.

Neither one of us would insist that DD invite grandparents, aunts, uncles, cousins etc to her birthday party that we are hosting for her FRIENDS for her 11th birthday. We don't even insist on siblings - neither of our children have had their sibling at their main friends party since they were about 7.

She sees family at different times. This is perfectly normal and age appropriate. and in the case of a family of divorced parents, I woudl expect family of mum to do one thing and family of dad to do another, organised by the respective parent for their weekends.

Gobbledegoo · 25/09/2026 15:50

Tell him you (or someone else) will drop her off after the party.

sittingonabeach · 25/09/2026 15:50

SynthWaveX · 25/09/2026 15:47

Because we have always swapped weekends around for birthdays and things, it didn’t really occur to me that it would be a problem. Her birthday is next Saturday and that was the only date the hall had that worked for us, plus it was the date DD wanted because of the school friends she invited. I did tell him before I booked it and he said that was fine, which is why I’m a bit taken aback by it all now. I wasn’t just booking it behind his back and then telling him he couldn’t see her.

Do you normally get birthday weekend?

freerangethighs · 25/09/2026 15:52

DP thinks I should just stop negotiating with him and have the party as planned, and if he doesn’t want to come then that’s his choice. IF you can be reasonably sure this will work - he'll either come alone or sulk and skip - then great, but I'd be worried that he'll show up with his entourage anyway, and/or that DD will worry that he will disrupt things somehow. I'd at least see about switching weekends or venues, but if there's no way to change and it seems likely he'll disrupt, I'd cancel if your daughter seems happiest to do that. Of course, there's no good solution; damage has been done! Of course, never trust him again for something like this; keep everything separate and don't worry too much if the "official" celebration isn't on the exact day in future.

Edited to add: you're hosting this party. The fact that he is her father doesn't mean you have to invite him and it certainly doesn't mean he can bring others - the adults are there in a case like this because some adult supervision is needed, his and his guests' help isn't. And don't feel guilty about it; he's still seeing her on the day.

Wannabemornighmum · 25/09/2026 15:53

MagicUser1

we’ve had gps come along, they stand back and watch the fun, it’s not that big a deal!

Ezzee · 25/09/2026 15:55

sittingonabeach · 25/09/2026 15:49

It's his weekend though. That muddies the water

It's their daughters birthday, his weekend/her weekend goes out the window.
If the daughter wants a party on a certain day with her friends then BOTH parents should be cool with this, it's not about their relationship or their other partner/parents/step children it is about the daughter...
Any decent parent would respect this!

TimeForTeaAndG · 25/09/2026 15:56

Does he already know where the party is being held?

I'd probably go with:
"You agreed for her to have this party on your weekend that I have organised. Your DD has chosen the people she has invited. You can have a family party in the evening if you want to arrange it but at this point your daughter would rather I cancel everything if you continue to insist on this."

FriendlyMedusa · 25/09/2026 15:56

Stop letting him control you and your daughter. Have the party as planned and simply tell him he isn't coming. If he wants to turn up and upset his own child in front of everyone, he'll have to deal with the consequences.

Sartre · 25/09/2026 15:57

She’s ten, not two. The fact he even wants to come and bring half of his family along when the poor girl is in year 5 with her school friends and likely wants to seem cool is astonishing… I wouldn’t cancel, I would make it clear he is not invited and if he turns up he will ruin his daughter’s birthday. If he isn’t a completely selfish twat, he won’t do this to her.

Moreholidaysthanjudithchalmers · 25/09/2026 15:58

I think some stems from misunderstanding and not appreciating she’s getting older. If you had paid for 10 of them to go and get nails done/escape room etc then they wouldn’t be sat there. She wants to hang out with her friends. I remember my dd having a party at home with a chocolate fountain at that age and I just stayed out of way to supervise from a distance but they wanted to giggle and chat.

mobilehairandnailsandbeauty · 25/09/2026 16:03

Rearrange the party for your weekend, which is what you should have done it in the first place.

Tell dad the party you had planned for his weekend is cancelled and your daughter will be spending time with him as previously arranged. He can arrange a family party all by himself.

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