That dress seems to be sold out everywhere-- maybe it isn't from this year? I found photos of it on a model on a Poshmark listing:
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The reseller just reused model photos she'd pulled from somewhere, so that's what the dress is supposed to look like, according to the manufacturer. You can find lots of photos of it on models via image search for the Greenwich Dress in Midnight Ruby. Looks like the bodice is supposed to hug the torso (might be smocked, in fact?), and the skirt should sort of poof out a little bit: snug fit on top, full sleeves, slightest hint of a bubble top. At any rate, to the surprise of no one, it's not supposed to hang limply and shapelessly on the wearer's frame like a very expensive sackcloth.
Here's one that shows the fit, and the model is standing semi-sideways, like Eugenia in the photos with the turkey that she's definitely, totally, SO going to eat with her family:
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I'm interested to see if the skanky Santa dress makes a comeback or if she's too invested in keeping her TikTok monetization to risk it this year.