As much as a lot of her life seems to be twisting the truth and hiding reality, I may give her the benefit of the doubt in terms of Xmas at her own house. It could have been an Xmas set up on Boxing Day or something with leftovers, not going to discount it.
I think the ridiculous drawn out present opening/bauble thing was intended to be an Xmas announcement just as she did with Ronnie. There is part of me that does believe while her mum knew they have kept it from her dad (maybe easy if parents are as cold towards each other as they seem). Her mum seems as invested in this ridiculous fake life as they are so will probably have been more than willing to go along with keeping it quiet and having a big Xmas reveal to dad just like they did before in the hopes of getting tears and something 'gram worthy so don't think the not telling him is that strange given that everything is for the 'gram. I think they wanted to basically emulate the last announcement and make it all seem 'perfikt'. But then she and her ilk couldn't follow guidelines, so Boris dashed her plans, and the Zoom plan came together. She couldn't have the reveal she wanted as she couldn't film it, so potentially did decide to have Xmas Day (or Boxing Day) dinner alone so they could film the IG show as obviously a meal in person would have meant she couldn't plaster it for her sheep and in the hopes of press and businesses taking notice (potentially meal dropped off/collected from the Barkers). All just a bit too set up and being able to rely on someone in a different house capturing all the right moments...
But obviously before that, Swashy doubled down on Boris' efforts to thwart it and surprised everyone with an engagement she hadn't factored in. But by then the plan was in motion, she wanted the Xmas day reveal to match her previous one, basically had filmed it as such (if you had planned for a New Year's one originally I doubt you'd have gone to the effort of the ridiculous 'another present under the tree' cliché).
I hope she hasn't chosen to break guidelines in the week between (hahahaha!), but do believe that this may have been their actual Xmas Dinner (tried making out the date on computer but too blurred for me!).
This isn't about her and the community around her she is risking that she clearly doesn't care about, but her unborn child. They need to play their part in following guidance, otherwise the hospitals she is close to risk never being low enough risk to allow more than him being present for the immediate birth for the foreseeable (as obviously the relaxation in maternity announced recently was still subject to Trusts doing risk assessments for their own area, hospital and staff). My partner is an anaesthetic trainee (so sometimes does maternity cover for epidurals and c-sections) and mentioned a poor woman birthing alone recently. She had been admitted for complications, whilst admitted her husband had dinner with her family (possibly Xmas Dinner, partner's stressed, I didn't need details as to exactly when or if it was a rule break dinner (we could meet here only on Xmas day!)) and then he tested positive (test arranged by hospital for his presence at a potentially semi-elective c-section), with one or both of her parents testing positive the day before she actually gave birth and her sisters having to self isolate (so her alternate birth partners have all been together and now she is potentially alone even after hospital discharge whilst they finish self-isolation). My hat is off to that individual, but can you imagine the woman who previously needed 3 birthing partners being told that someone is positive and their behaviour meaning that no one else can be there because they all need to self isolate? They hopefully are beginning to realise the gravity of the situation! I think when she fell pregnant and things seemed to be improving there was potentially a naive belief that this was over on their part!